General description The 4 Pcs T Track Mini Hold Down Clamp is designed for 3018 series desktop CNC routers, made from durable zinc aluminum alloy for long-lasting performance. This clamp ensures a precise fit and delivers secure clamping action, enhancing stability during various engraving tasks. Technical specifications Material: Zinc aluminum alloy Compatible with: 3018 series desktop CNC router Nut size: M6 Dimensions: 50 x 20 x 56 mm / 1.97 x 0.79 x 2.20 in Maximum material thickness: 30 mm Quantity: 4 sets of T Track Mini Hold Down Clamps Usage Suitable for woodworking and metal processing Can be used for clamping, positioning, and fixing materials Compatible with routers, drilling machines, CNC, table saws, fixtures, panels, and vertical milling machines