100% brand new and high quality. Feature: Made of high-quality stainless steel material, durable, long lasting and rustless. Suitable for 8mm T8 Lead Screw. With a locking ferrule for fixing the assembly along the shaft to the shaft. Uniform distribution of clamping force, integrated fixing screws to prevent slippage. Shaft Lock Collar only, other accessories demo in the picture is not included! Specifications: Item Type: Shaft Lock Collar Material: Stainless Steel Size: 8x14x7mm/0.3x0.5x0.2in Weight: 25g Color: Black Application: For 3D printers Quantity: 4PCS Note: No retail package. Transition: 1cm=10mm=0.39inch Please allow 0-1cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Thank you! Package Includes: 4 x Shaft Lock Collar