ITEM NAME:150pcs/box R Type Wave Cotter Pin Spring Pin B-type Retaining Pins W/ Box Description : High quality : stainless steel , hardness , rust and corrosion . Quality Design : exquisite workmanship , separate slide smooth surface , no galling . Mechanical industrial fasteners , very durable . Storage case keeps pins clean and organized . Quick installation and removal Specification : Material : Carbon Steel Package Includes : 150pcs R Type Cotter Pins ( with box ) SKU: DMO0012509773019805.150pcs R Type Cotter Pins ( with box ). Material : Carbon Steel. High quality : stainless steel, hardness, rust and corrosion.