[Size]: Rubber Mounts Male Thread Size: M8x23mm; Rubber Size: 30 x 20mm / 1.18" x 0.79"(D*H); Thread Pitch: 1.25mm; Maximum Compression: 23mm/0.91"; Shore hardness (+/-5°):60 durometer; Metal Surface Treatment: Plated Zinc; set of 4 pieces Rubber…