10PCS/Pack Silver 12mm Bore Shaft Lock Collar T12 Lead Screw Lock Ring Stainless Steel Material Isolation for 3D Printer Accessories(12mm-Silver)

Material: High quality stainless steel material, Sturdy, long lasting and rustless, fine workmanship, long service life Install: Easy and quick installation, fastening screws are already installed on the lock collar, so you don't need to assemble it by yourself Shaft Lock Collar Dimensions: Inner Diameter: 12mm; Outer Diameter: 19mm; Width: 8mm Shaft Collar Widely Used for diameter 12mm T12 Lead Screw and rod shaft Package Content: 10PCS 12mm Silver Shaft Lock Collar, 10PCS fastening Screws(are already installed), 1PCS M5 Hex Wrench