DD Type Rubber Shock Absorber Pad/Cylindrical Buffer Shock Absorber Screw Column/Internal Threads At Both Ends Product Information:Model:DD Type Rubber Shock Absorber Pad/Cylindrical Buffer Shock Absorber Screw Column/Internal Threads At Both Ends Size:M4-M12 (Support customized DD Type Rubber Shock Absorber Pad/Cylindrical Buffer Shock Absorber Screw Column/Internal Threads At Both Ends, You can contact customer service)Material: NR Rubber+Galvanized Carbon Steel Rubber hardness: round 55 degrees Tight and durable, galvanized and rust proof, wonderful steel, Notes:The real color of the thing may be barely different from the photographs shown on online page brought on by many points reminiscent of brightness of your monitor and light brightness.The size,color,printing notice ,etc is subjectde to the genuine product.If the above hyperlink does not have the product that you want, please consult us and customize. Package Including: According on your choice Other accessories will not be included.