Simple and accurate - This is a wooden operating locator, which to make the wood drilling easier, straight, more accurate, excellent in performance, smooth and efficient work, without burrs. Applicable range - standard 1 or 4 inch hexagonal axis is suitable for core drills and impact drivers. The woodworking positioner kit is used for edges, surface, T-shaped, and L-shaped joints, which are widely used. Spring reset structure - The self-determined heart-selling folder is equipped with a key clip, a cone deep control shaft and limit ring, and spring reset. It is suitable for connecting legs and guide rails and building cabinets. Reverse card bracket design - self-fixed-minded nail fixture, with reversible card brackets, built-in V-shaped grooves, positioning fences, suitable for fast connection DIY such and carpentry. Alloy steel material - woodworking tools use high-quality alloy steel and plastic, which have the characteristics of high strength, high toughness, wear resistance, corrosion resistance, high and low temperature. Colour:Black Material:PlasticandMetal Size:28x10cm Package Contents: 1 x drill guide Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is 1-3cm.