NINGWANG Model name: CY15 Kit diameter (mm): 44 Piston shaft diameter (mm): 10 Cylinder skirt outer diameter (mm): 50 Average cylinder height (mm): 88 Total cylinder height (mm): 97 Total piston height (mm): 40.1 Piston compression height (mm): 17.2 Colour: silver Material: metal + plastic Contents of Packing: 1 x 44MM 52CC Cylinder Assy 1E44F-5 44F-5 44-5 BG520 CG520 Mounting Piston Kit Only the above package, other products are not included. Note: Due to lighting and different screen settings, the colour of the item in the picture may differ slightly from the real thing. The allowed measurement error is +/- 1-3 cm.