Material: aluminum. Thread: M8. Quantity: 10 pieces Pack of 10 M8 T-shaped sliding nuts for carpentry tools Undersized to fit machine table slot. It is used for T-slot aluminum extrusions to connect other parts and connected together with T-screw or others. T-slot nuts allow the user to add clamps to a device without tearing existing clamps. Description: Set of 10 M8 Sliding T-Nuts for Carpentry Tools Features: Material: aluminum. Thread: M8. Quantity: 10 pieces. Features: Undersized to fit machine table slot. It is used for T-slot aluminum extrusions to connect other parts and connect them together with T-screw or others. T-slot nuts allow the user to add clamps to a device without tearing existing clamps. Content: 10 xT slotted nuts. Note: 1. As measurements are taken by hand, the sizes shown may vary slightly. Please order only if you accept this margin of error. 2. Colors may vary slightly co.ukom the photo. We thank you for your understanding.