Material: The pocket hole jig set is made of strong aluminum alloy and will not rust or crack. Strong and durable, can withstand the maximum strength of drilling and grinding and a long life.Perfect Hidden Screw Design: Clever 15 degree slanted double hole design makes it easy to quickly drill slanted holes. Used for screw connection, making the connection between boards more secure, it can hide screws perfectly, avoiding screws exposed on the surface and affecting the beauty of the furniture.Various Sizes: The drill bit kit comes with a 6/8/10mm drill bit adapter, which can meet your different drilling needs and change adapters quickly. Sharp knife head with perfect performance, can run smoothly without burrs, helps to improve work efficiency.Strong Applicability: Mini size and easy to carry. The compact design is easy to use, can meet your different needs, very suitable for family DIY projects or general professional and commercial use,The drill guide of angle is an indispensable tool for family carpentry DIY Product Style:Set 1 54 Pieces Oblique Drilling Jig,15 Degree Pocket Hole Jig 6/8/10mm Hole Drilling Guide 1.Adjustable 3 sizes adapter: The pocket screw guide comes with 6 drill adapters, each size (6/8/10mm) has 2 adapters. You can choose the appropriate adapter according to the size of the drill hole, and adjust the conversion between the three sizes. 2.Pocket Hole Jig: Applicable to oblique hole drilling. A pocket hole is a drilling angled hole in a board, which allows you to drill a screw into another board. Pocket Hole Jig with 15 double bit angle, you can create perfect invisible joints.3.Super Versatile: Pocket hole joinery is quick and easy to work with and can adapt to many carpentry and home improvement projects, providing strong joinery that can easily be undone if needed and a minimal level of skill for all its benefits in carpentry material. Basic Product Information: Type: Slant Hole Drill Bit Material: Carbon steel (drill and ring), aluminum (locator) Angle: 15 degrees DIY Supplies: Woodworking Oblique Hole Size: 6/8/10mm Drilling diameter: 6mm, 8mm, 10mm Positioner size: 68*38*18cm Size of plugs: 6mm, 8mm, 10mm Sleeve size: 6mm, 8mm, 10mm Package Includes: 1 x Oblique Drilling Jig 3 x Drill Bits 3 x Caps 6 x Sleeves 20 x Screws 20 x Screw Cover 1 x Hex Wrench