Item:Cylindrical Vibration Isolator; Type:Female Threads Both Ends; Max. Load Downward Compression (Lb.):55; Max. Load Sideways Shear (Lb.):8; Cylinder Dia.:1 in; Height:1 in; Material:Rubber; Thread Size:5/16-18; Mounting:Compression; Screws:Clear Zinc Plated, Grade 5; Resistant To:Abrasion;