Turtle Plastics Dura Crib Lock Block

Versatile, stackable, interlocking plastic square cribbing blocks. Use whenever a stable platform is needed on many smaller surfaces. These fit perfectly inside smaller apparatus cabinets or use with Cog Step Chock for extra height. Available in three sizes. 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. Unique square peg surfaces interlock with each other or the Cog Step Chock. Product Working Load (any size): 31,000kg / 68,343lbs