Brand:Mackayflex Product Type:Isolator Material:Rubber;Metal (Insert) Compression Load @ Def:880 kg @ 4.6 mm Shear Load:280 kg @ 4.7 mm Thread Size:17/32 in Dimensions:141 x 83 x 41 mm Weight:0.4 kg Length:141 mm Width:83 mm Depth:41 mm Colour:Black Special Features:Two Light Duty Isolator with Metal Insert Tapped with Bolt;Surface Based