Premium Material: Metal Screw Jig made of quality steel, aluminum alloy, and pp material, the Pocket Hole Jig Kits are and firm, ensuring long last useFeature: 9.0 mm hole diameter Woodworking tools with a comfortable handle to grip and dust collection, it's a practical woodworking toolAccurate: Dowel Jig Kit with a clear size scale and precision scale, provide high accuracy with high efficiencyWide Application: The pocket hole jig kit is suitable for woodworking DIY, DIY household projects, or professional and general commercial useGift: The Metal Pocket Screw Jig makes a nice gift and is great for novices, hobbyists, and pros Specification: Material: Steel Aluminum Alloy Pp Size Chart: 18.6 cm x 6 cm x 10 cm/7.32 inch x 2.36 inch x 3.94 inch Package Includes: 1x Woodworking Inclined Hole Jig1x Inclined Hole Drill1x Cross Bits1x Wrench and Limiting Rings10x Plug10x Slanted Hole Nail Note: Please allow slightly errors due to manual measurement and different monitors.