Features:_x000D_ _x000D_ Made of fine stainless steel material ,not easy to rust. _x000D_ The serrated design makes the gasket more tight and not easy to slip. _x000D_ The set includes 8 kinds of washer of different sizes to meet your different needs. _x000D_ They are integrated in a box,portable and convenient to access and store. _x000D_ Accurate design, wear resistance, high reliability. _x000D_ The bearing clip, which is the bearing retainer ring, is a type of hole movement on the slot shaft for fixing the components. The inner diameter of the retaining ring is slightly smaller than the inner diameter of the mounting shaft. _x000D_ The circlip pliers must be used for installation. Insert the jaws into the caliper holes of the retaining ring and expand the retaining ring to insert into the pre-machined shaft groove._x000D_ _x000D_ Specification:_x000D_ Item Type:Serrated Lock Washer_x000D_ Material:304 Stainless Steel_x000D_ _x000D_ Package List:_x000D_ 50PCS External Serrated Lock Washer M2.5_x000D_ 50PCS External Serrated Lock Washer M3_x000D_ 50PCS External Serrated Lock Washer M4_x000D_ 40PCS External Serrated Lock Washer M5_x000D_ 40PCS External Serrated Lock Washer M6_x000D_ 30PCS External Serrated Lock Washer M8_x000D_ 20PCS External Serrated Lock Washer M10_x000D_ 20PCS External Serrated Lock Washer M12