Premium 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 , 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 in such instances.