uxcell 6mm Length Stroke 8mm Dia Thread Oil Pressure Shock Absorber Product Name : Pneumatic Shock Absorber;Model NO. : AC0806-2 Stroke : 6mm/ 0.23";Rod Diameter : 3mm/ 0.11" Threaded Diameter : 8mm/ 0.31";Overall Size : 50 x 12mm/ 1.9" x 0.4" (L*D) Color : Black,Orange;Material : Plastic, Metal Weight : 13g;Package Content : 1 x Pneumatic Oil Pressure Shock Absorber