43.5mm External retaining Rings with C-Clip Retaining retaining Rings 304 Stainless Steel 10 Pieces: Industrial & Scientific. 43.5mm External retaining Rings with C-Clip Retaining retaining Rings 304 Stainless Steel 10 Pieces: Industrial & Scientific. Outside diameter: 43.5 mm / 1.71 "; Internal diameter: 37.3 mm / 1.46"; Thickness (t): 1.5 mm / 0.06 " . All products are made of durable, durable and practical metal. . Hole diameter: 2.7mm / 0.1 "; Opening width: 14mm / 0.55"; Material: 304 stainless steel . Use of external circlip for the retention of bearings, gears, pulleys, etc. . Size:43.5mm (10-Pack) Description: It is made of 304 Stainless Steel, providing the good resisitance to corrosion and high temperature, which ensure the long useful life.Installed in the hole, used as fixed axial movement of parts, the ring diameter slightly larger than the diameter of the outer diameter of the fitting hole.When you install, must use snap ring pliers, insert the pliers tip into the clip hole of the circlips,cliptightly the circlip,then can be placed in the slot of the machined hole has been done previously. Specifications:Outer Dia.:43.5mm/1.71"Inner Dia. :37.3mm/1.46"Thickness (t):1.5mm/0.06"Hole Dia.:2.7mm/0.1"Opening width:14mm/0.55"Material:304 Stainless SteelColor:Silver Tone Package Includes:10 Pcs x External Circlip . . .