【Premium & Durable】The dowel jig kit has an aircraft-grade aluminum alloy dowel gauge with anodized surface for rust resistance and longevity. Its laser-etched size scale ensures durability and precision. It also features a sturdy, precision-hardened steel center block with high strength, designed for drilling and wood panel joints, ideal for panel furniture. 【Precise & Efficient】Self centering dowel jig for drilling dowel holes and vertical holes. It includes 6mm, 8mm, 10mm and 15mm drill bushings and twist bits,the 3-in-1 cam dowel jig meeting various drilling needs. Precisely machined with gradations on the body, it adjusts to board thickness. Adjustable metal bushings ensure accurate alignment when drilling. 【Portable & Convenient】This burrless pocket hole jig bit is small and portable, convenient for positioning woodworking tools. The drill guide jig set helps you drill the tilt hole quickly and work efficiently. 【Easy to Use】Precise screw holes, versatile drill guidance and good sealing eliminate pre-drilling coupling sections, making different drilling needs quick and easy. The adjustable width woodworking joints tool can clamp up to 60mm plank.The drill straight hole jig has secure connections, no pre-drilling needed. All metal parts prevent deflection. 【Package Contents】The carpentry drilling locator puncher tools including 1 x 3-in-1 drill guide, 4 x drill bits (6mm,8mm,10mm,15mm), 3 x wooden dowel pins, 2 x allen wrench, 1 x drill socket wrench, 2 x drill bushing. Enjoy smooth and worry-free return service within one month. If you have any questions, please feel free to contact us, we will be here for you., Manufacturer: Idong