... 1.material: carbon steel,stainless steel 304 2.partner: Canon 3.over 10 years supplier 4.quick delivery 8-8 Stainless Steel Set Screw, Metric, None ... our goods will satisfy yr request of 100%,and have 18 month warranty.Aftersales servicewe will follow up goods for every ... ., Ltd. will be a good manufacturing partner as your need. 18-8 Stainless Steel Set Screw, Metric, None Head, Internal Hex Drive