
Our innovative Dura Crib products are the safer alternative to wood during auto stabilization operations. Dura Crib gives you the flexibility to stack and interlock plastic cribbing blocks for almost any type of load stabilization or application in industrial or fire/rescue settings, such as auto extrication.
For over 20 years, Dura Crib products have been lab tested and formulated with a reliable and repeatable formula of recycled plastic for unmatched integrity as first responder stabilization tools, such as shoring cribbing for rescue operations. We offer over a dozen different stabilization blocks, chocks, protection pads, and wedges to help you with simple or complex solutions.
Dura Crib products are labeled with a working load limit to provide valuable safety information to the user during rescue cribbing or stabilization of heavy equipment or machinery during repairs. All Dura Crib are made from 100% recycled plastic and are proudly made in the U.S.A. Please click here for the Dura Crib Safety & Reference Manual.

Full Slab™
- Part # S612-24
- Dimensions: 6″ x 12″x 24″
- Product Unit Weight: 24.9kg/55lbs.
- Heavy duty capability.
- Complete crib kits available with this block. See Equipment Kits.
- Lanyard on two sides of block.
- Has a specific interlocking top/bottom pad for extra protection of stack.
- Working Load: 110,000kg/242,508lbs.

Half Slab™
- Part # S612-12
- Dimensions: 6″ x 12″ x 12″
- Product Unit Weight: 12.02kg/26.5lbs.
- Heavy duty capability.
- Complete crib kits available with this block. See Equipment Kits.
- Lanyard on two sides of block.
- Has a specific interlocking top/bottom pad for extra protection of stack.
- Working Load: 55,000kg/121,254lbs.

Prime Crib™
- Part # 67PC-24
- Dimensions: 6″ x 7″ x 24″
- Product Unit Weight: 12.24kg/27lbs.
- Heavy duty capability.
- Complete crib kits available with this block.
- Lanyard on two sides of block.
- Has a specific interlocking top/bottom pad for extra protection of stack.
- Working Load: 58,800kg/129,631lbs.

Super Crib™
- Part # 67SC-24
- Dimensions: 6″ x 7″ x 24″
- Product Unit Weight: 10.43kg/23lbs.
- Lanyard on both sides of block.
- Available in kits.
- Has a specific interlocking top/bottom pad for extra protection of stack.
- Working Load: 49,900kg/110,000lbs.

Black Diamond Crib™ & Profile Crib™
- Part # 67HDC30 or # 44HDC-30
- Dimensions: 6″ x 7″x 30″ or 4″x 4″ x 30″
- Product Unit Weight: 18.14kg/40lbs. or 7.71kg/17lbs.
- Each block is rated for heavy duty capability.
- Each block will have a lanyard on two sides of block.
- Working Load: 71,600kg/157,850lbs. or 50,800kg/111,994lbs.

Hybrid Crib™
- Part # 44PL-18
- Dimensions: 4″ x 4″ x 18″
- Product Unit Weight: 2.7kg/6lbs.
- Light duty capability.
- Perfect for stabilizing cars and smaller equipment.
- Lanyard on one side of block.
- *Available as a Crib Toter Kit; see Fire & Rescue Kits.
- This product is also available as a Crib Toter Kit.
- Has a specific interlocking top/bottom pad for extra protection of stack.
- Working Load: 20,500kg/45,194lbs.

Little Black Diamond Crib™
- Part # 67HDC10
- Dimensions: 6″ x 7″x 10″
- Product Unit Weight: 7.25kg/16lbs.
- Light duty capability.
- Perfect for smaller equipment.
- Lanyard on one side of block.
- This product is also part of the the Industrial Stabilization Kit (IBS-Kit R) and Fleet Maintenance Bay Service Kit (FMBS).
- Working Load: 23,700kg/52,249lbs.

Cog Step Chock Combo™
- Flip and it´s a standard plastic step chock — quick set up and leveling.
- Functions like a cog incline railroad… a simple design that works!
- When added height is needed, interlock the base with a Turtle Lock Block.
- Part # SC-COG-1
- Dimensions: 24 3/8˝x 6 5/8˝x 10 3/4˝
- Weight: 10.8kg/24lbs.
- *Available as a kit; see Fire & Rescue Kits.
- Working Load: 1,701 kg/ 2,722 lbs without Cog | 3,750 kg/ 6,000 with Cog.

Step Chocks
- Part # SC-1
- Dimensions: Base: (24 ½” x 5 ¾”) Base x 3¾” W x 10 ¾”
- Weight: 6.80 kg/15 lbs.
- Working Load: 2,600 kg/ 5,732 lbs.
- Part # SC-2
- Dimensions: (29 ½” x 9″) Base x 4 ½” W x 17 ¼” H
- Weight: 15.88 kg/35 lbs.
- Working Load: 4,400 kg/ 9,700 lbs.
- Part # SC-3
- Dimensions: (31 ½” x 11˝) Base x 5˝ x 22″
- Weight: 28.12 kg/62 lbs.
- Working Load: 4,400 kg/ 9,700 lbs.
Protection Pads

Lock Blox™
- Part # 1B, 2B, or 3B
- Dimensions: 9″x 9″x 1″ or 2″ or 3″
- Product Unit Weight: 1B – 1.36 kg/3lbs.; 2B – 2.26kg/5lbs.; 3B – 3.17kg/7lbs.
- Light duty capability.
- Available as a set of 3.
- Unique square peg surfaces interlock with each other.
- PSI: 865

Mod Pad™
- Part # CTP1818-1.5W/L or CTP 22424-2W/L
- Dimensions: 18″ x 18″x 1.5″ or 24″ x 24″x 2″
- Product Unit Weight: 6.80kg/15lbs. or 17.23kg/38lbs.
- Available with built in level and lanyards.
- PSI: 369/402
- US. Pat. No. D804,768

Slab Pad™
- Part # SP24
- Dimensions: 2″ x 12″ x 24″
- Product Unit Weight: 6.80 kg/15 lbs.
- Has interlocking channels to fit with the top or bottom of the Slab block.
- Distributes weight over crib stack to best support lifting operations.
- Helps reduce risk of point source load failures from sharp objects.
- Reflective lanyard.
- PSI: 3,000

Slab Pad Two™
- Part # SP24-2
- Dimensions: 2˝ x 24˝ x 24˝
- Product Unit Weight: 18.14kg/40lbs.
- Has one full side of pyramids to interlock with pyramid side of either 2 The Slab (Mfg. Part # S612-24) or 3 Prime Crib (Mfg. Part # 67PC-24) blocks when situated next to each other.
- Helps reduce risk of point source load failures from sharp objects.
- Reflective lanyard.
- Available in black or yellow pad.
- PSI: 3,000

Half Slab Pad™
- Part # SP12
- Dimensions: 6″x12″x12″
- Product Unit Weight: 3.63 kg/8 lbs.
- Has interlocking channels to fit with the top or bottom of the Half Slab block.
- Distributes weight over crib stack to best support lifting operations.
- Helps reduce risk of point source load failures from sharp objects.
- Lanyard.
- PSI: 3,000

Single Prime/Super Crib Pad™
- Part # PSP24
- Dimensions: 1″x 6″x 24″
- Product Unit Weight: 2.27 kg/5 lbs.
- Has interlocking channels that fit with the “Lincoln Log” side of the Prime Crib block.
- Distributes weight over crib stack to best support lifting operations.
- Helps reduce risk of point source load failures from sharp objects.
- Lanyard.
- PSI: 3,000

Single Hybrid Crib Pad™
- Part # PSP18
- Dimensions: 1″x 4″x 18″
- Product Unit Weight: 1.36 kg/3 lbs.
- Distributes weight over an individual crib block to support a lift operation (do not use this part for a crib stack) .
- Helps reduce risk of point source load failures from sharp objects.
- Lanyard.
- PSI: 3,000

Jack Pad
- Part # JP
- Dimensions: 2˝ x 10˝ x 10˝
- Product Unit Weight: 3.17kg/7lbs.
- Smooth profile on both sides.
- Distributes weight over crib stack to best support jacking operations.
- Helps reduce risk of point source load failures from sharp objects.
- Reflective lanyard.
- PSI: 3,000

Top Bag Pad
- Part # TBP
- Dimensions: 18″ x 18 x 1″
- Lanyard
- Product Unit Weight: 5.89kg/13lbs.
- Working Load: N/A