1、DURABLE ALUMINUM ALLOY: The woodworking invisible connector positioning punch is made of aluminum alloy material, which is durable, not easy to rust, and resistant to corrosion 2、ADJUSTABLE TO SUIT DIFFERENT THICKNESS: Adjust the height of the pins to suit different thickness boards, remember to adjust the height of the pins before use 3、SIMPLE TO FIX: The hole angle design of woodworking angle drill guide is easy to fix and is an excellent tool for woodworking 4、ANODIZED BRING HIGH HARDNESS: Anodized surface treatment, bring high hardness, good insulation performance, excellent thermal insulation, strong thermal resistance 5、APPLICABLE SCENE: Drilling and chamfering tools are suitable for professional woodworking and home use, very versatile