Made of strong aluminum, will not rust or break. 6/8 / 10mm drill bit adapter: meet your different drilling needs and a quick change adapter. Convenient to Use - Convenient and easy for quick drilling holes to hide screws in wooden furniture. It helps to improve work efficiency. Unique Design: Create these perfect woodworking holes and repair wood joints, suitable for professional woodworking and home using. Suitable for DIY home projects or general commercial use. Easy to use and carry, can work well without burr, convenient and easy to quickly drill slanted holes to hide screws in wooden furniture, help Improve work efficiency. Description: 7pcs Pocket Guide Hole Jig Woodworking Oblique Angle Drill Bit Hole Locator Set Specification: Size: 6mm / 0.24in 8mm / 0.31in 10mm / 0.4in Color: Silver & amp; BlackMat: aluminum alloy Features: -Made of solid aluminum, will not rust or break. -6 / 8 / 10mm bit adapter: meet your different drilling needs and a quick change adapter. -Convenient to use - Convenient and easy for quick drilling holes to hide wood furniture screws. - It helps to improve work efficiency. Package included: 7 x Locator Drill Accessories Bit