Compatibility: The T-Track clamp package is like minded with 3018-PRO/3018-MX3/3018-PROVer/1810-PRO CNC router machine, it will maintain most of the supplies of a desktop CNC router machine.Portable and Practical: Adjustable T Track hold down clamps are very easy to install, can accommodate 30mm supplies and preserve them firmly in place.Wide Range of Use: Not only appropriate for 3018 series desktop CNC router machines, but additionally compatible for positioning and solving different woodworking or metalworking,such as drill presses, CNC, desk saws, routers, jigs, vertical milling machines, etc.Strong and Sturdy: Made of fine zinc-aluminum alloy, solid and wear-resistant, long provider life.Material:metalcolour:SilverPackage Contents:1 set x t trackOnly the above equipment content, other products will not be included.Note: Light taking pictures and assorted displays could cause the color of the object within the photograph a bit diversified from the real thing. The measurement allowed error is +/- 1-3cm.