Features ALUMINUM ALLOY MATERIALS: Made from industrial grade aluminum alloy for durability and portability. Anodized surface for erosion resistance with steel bushings for drilling accuracy and longevity. ACCURATE ANGLED HOLES: Features a 15° hole angle suitable for board thickness of 0.47 to 1.77 inches (12 to 45mm). Adjust nut for desired depth and distance without additional measurements. EASY TO USE: Simply loosen nut to release sliding block, adjust drill depth to board thickness, then tighten nut without the need for extra wrenches. Chip removal hole for efficient debris removal. VERSATILE DRILLING TEMPLATE: Includes 3 durable step drill bits for accurate drilling in hardwood, softwood, and MDF boards ranging from 12mm to 40mm thickness. Clean holes every time. WIDE APPLICATION: Create professional looking angled holes for connecting parts with concealed screws, perfect for quick cabinet, furniture, and woodworking assembly. Ideal for DIY, professional, and commercial use. Specification: Item Type: Pocket Hole Jig Kit Material: Aluminum Alloy, Alloy Steel Package List: 1 x Pocket Hole Jig  1 x Boundary Ring 2 x Boundary Ring Fixator 3 x Drill Bits 1 x Wrench Package List 1 x Pocket Hole Jig 1 x Boundary Ring 2 x Boundary Ring Fixator 3 x Drill Bits 1 x Wrench