: M6 T Slot Nut T-Track Sliding Nut For Woodworking Tool Slot Fastener Specification: Material: Aluminium Thread: M6 Quantity: 1pc Features: Undersized to fit machine table slot case hardened. It is used for T-slot aluminum extrusions to connect other parts and connected together with T screw or others. T-Slot nuts enable the user to add clamps to a fixture without tearing down existing clamps. Package Included: 1pc x T Slot Nut Notice: 1. Please allow a bit error due to manual measurement. please make sure you do not mind before you bid. 2. The color may have different as the difference display, pls understand.