Size :600x600x20mm Load Capacity (Kg.):01 to 05 Natural Frequency (Hz):12-30 Thickness (mm):20 Coeff. of Friction:0.8 Shore A Hardness:40-45 Working Temp Range ยฐC:-20 to +70 Material:Nitrile Rubber, Cork, Synthetic Fibre and Other High. Gread Compounds. Box Dimention: 25"x25"x4" Weight Of 04 Nos: 32 Kgs Number Of Box:01 Colour:Green, Grey,Black Amount Is -7800