4x 150 x 80mm special block, designed specifically for use with Laser lifting pads (Part Nos. 9060, 9061 & 9062) when using scissor lifts, floor recessed lifts. 50mm thickness, 0.36Kg. Manufactured from Recycled Polyurethane (PU). Highly wear resistant & oil resistant. Unique stackable feature with moulded slots in each block, increases friction & reduces risk of slippage.