- High quality materials and construction Industrial-grade aluminum alloy makes the pocket hole jig kit rugged yet lightweight. The anodized red surface offers durability and corrosion resistance, while the drill holes are inlaid with steel sleeves to ensure accuracy and reduce wear during drilling. - Precise, user friendly design Precise scales on both sides of the pocket hole fixture, plus a golden adjusting screw, let you easily set the drilling depth to match board thickness without any auxiliary wrenches. An enlarged chip hole provides fast, smooth chip removal to save time. - Versatile and practical performance This jig makes it easy to drill an inclined counterbore in a joint, screw a self-tapping screw (without a pilot hole) into another part, and quickly drill the hole to hide the screw in wooden furniture. No complex measuring or math is required, making it suitable for novices, hobbyists, and professionals alike. - Suitable size and applications Hole angle is 15 degrees and the compatible board thickness range is 0.47"-1.77" (12-45 mm). This pocket hole jig kit is ideal for DIY household projects as well as professional and general commercial use. - Use scenarios - Building cabinets, shelves, or frames where hidden fasteners are preferred for a clean appearance. - Assembling wooden furniture or frames that require strong joints with concealed screws. - Quick repairs or modifications to existing furniture, where precise pocket holes and fast, clean results are needed.