Features 1、GREAT DURABILITY: 3 in 1 woodworking drill guide, made of high strength and corrosion resistance aluminum alloy, with anodized surface and hardened steel center block structure, has a long service life. 2、FIRM FIXING: Large steel clamping screw can tighten the drill jig like vise, and sturdy aluminum side can firmly fix your wood without damage. 3、PRECISE POSITIONING: There are 4 brass locators designed, the guide jig can accurately locate the position for precise hole drilling. 4、ADJUSTABLE DESIGN: Adjustable metal bushing is accurately aligned when drilling, and is easy to adjust the drilling height and drilling depth. 5、MULTI PURPOSE: The drilling locator is equipped with a 10mm drill bushing, with a drilling range of 8mm 10mm 15mm, equipped with 8mm 10mm and 15mm drill bits to meet your requirements for different apertures. Specification Item Type: Pocket Hole Jig Kit Material: Aluminum Alloy Round Wood Dowel Material: Basswood Maximum Clamping Range: Approx. 40mm/1.6in Package List 1 x Drill Bushing Locator 1 x Fixing Jig 3 x Drill Bit 1 x Milling Tool 3 x Round Wood Dowel 2 x Hex Wrench 1 x 10mm Drill Bushing 1 x Brass Limit Block