Wooden Jerk Blocks - 2 Blocks Medicine &Storage The shackle is the metal

The shackle is the metal connector at the end of the strap

Thick steel construction with matte black powder coating

Specifications:

Resistance: 23 - 54 kg

durability

Wooden Jerk Blocks - 2 Blocks Medicine &Storage The shackle is the metalPremium quality jerk blocks, sold in pairs of 2 blocks. Tested up to 300 kg. Dimensions per block: Width: 51 cm Length: 90 cm Height: 89. 5 cm Each block consists of 1 stack, 380 mm 1 stack, 300 mm 1 stack, 150 mm 1 solid lid, 60 mm Also available with one extra pair of 150mm blocks, to increase overall height. Weight per block: ca. 87 kg Please note: We do not advise using on solid wooden flooring, and recommend putting rubber matting underneath them