Feature: - new and high quality - Made of high quality materials, durable - Industry standard - Interchangeable - normal type - Anti-corrosion treatment - Material: aluminum alloy - Specifications (inner diameter): 6mm, 8mm, 10mm, 22mm, 28mm, 32mm, 40mm (optional) - Quantity: 1pcs - Color: Silver Project Specifications: - 6mm ID + 0.10mm to + 0.02mm OD 16mm Width 9mm, M3 Din 912 Cap Screws, Black Oxide Oiled, 6mm Two Piece Clip-on Collar - 8mm ID + 0.10mm to + 0.02mm OD 18mm Width 9mm, M3 Din 912 Cap Screws, Black Oxide Oiled Finish, 8mm Two Piece Clip-on Collar - 10mm ID + 0.10mm to + 0.02mm OD 24mm Width 9mm, M3 Din 912 Cap Screws, Black Oxide Oiled, 10mm Two Piece Clip-on Collar - 22mm ID + 0.15mm to + 0.02mm OD 42mm Width 15mm, M6 Din 912 Cap Screws, Black Oxide Oiled, 22mm Two Piece Clip-on Collar - 28mm ID + 0.15mm to + 0.02mm OD 48mm Width 15mm, M6 Din 912 Cap Screw, Black Oxide Oiled, 28mm Two Piece Clip-on Collar - 32mm ID + 0.15mm to + 0.02mm OD 54mm Width 15mm, M6 Din 912 Cap Screws, Black Oxide Oiled, 32mm Two Piece Clip Collar - Inner Diameter 40mm + 0.15mm to +0.02mm Outer Diameter 60mm Width 15mm, M6 Din 912 Cap Screw, Black Oxide Oiled, 40mm Two Piece Clip-on Collar Package Included: 1*Retaining ring (optional) Notes: 1. Due to various factors such as display brightness and light brightness, the actual color of the product may be slightly different from the website picture. 2. Please allow a slight deviation between the data and the manual measurement. _x000D_