Features:* T track clamp accessories are made of lightweight plastic to ensure durability and long life.* Zero sharp edges on the knobs allow for comfort and easy tightening. They hold parts together very well.* The T tracks woodworking kit is perfect for creating t-track woodworking jigs and fixtures.* Provides a durable and reliable solution for keeping your t-track t-slot work pieces in place. Specifications: * Material: Plastic, Metal * Color: Black + Silver * Thread Size: M8 * Quantity: 2 Sets (2 Screws, 2 Knobs) Package Included: 2 Screw * T2 * Knob Nut Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness.2. Please allow slight manual measurement deviation for the data.