SOLID MATERIAL The drill bit and drill ring are made of carbon steel. The positioner is made of aluminum, which is rust-resistant and durable. SLANK HOLE LOCATORHelps you easily drill oblique holes or repair invisible wood joints, so that the connection between circuits prints are firmer and the furniture is more beautiful. VARIOUS SIZES: The drill bit kit is equipped with a 6/8/10mm drill bit adapter, which can meet your different drilling needs and quickly replace the adapter. EASY TO USE: The design is small and easy to carry. It can quickly drill diagonal holes to hide screws in wooden furniture for precise screwing. WIDE APPLICATION: Suitable for all kinds of punching in woodworking, very suitable for home DIY projects or professional and commercial use. Feature: The 15 degree diagonal hole finder helps you drill diagonal holes easily and make furniture more beautiful Made of sturdy aluminum, won't rust or damage and has a long service life Drill oblique holes quickly and easily to hide screws in wooden furniture 6/8/10mm drill bit adapter to meet your different drilling needs Specification: Material: Carbon Steel + Aluminum Color: Blue, Black Drill: 6 mm, 8 mm, 10 mm Positioner: 68 x 38 x 17 mm Plugs: 6 mm, 8 mm, 10 mm Sleeves: 6mm, 8mm, 10mm Package Included: 1 x Drill Guide 3 x Drill Bits (6mm, 8mm, 10mm) 3 x Plugs (6mm, 8mm, 10mm) 6 x Sleeves ( 6mm, 8mm, 10mm) 1 x Hex Wrench 1 x F Clip