[Aluminum Alloy Material] This drilling hole guide jig is made of premium aluminum alloy material, which can stand the rigors of frequent use. [30/45/90 Drilling] This drill guide jig has 3 drilling angle of 30/45/90. Each drilling angle has four sizes of pilot holes: 4.5mm, 6mm, 7.5mm and 9mm. EASY TO USE: This drill guide jig is easy to set up and use with clear markings and instructions. It is suitable for DIY or professional projects. VERSATILE: The drill guide can be used for a of projects including woodworking, metalworking, and DIY . This makes it a versatile tool that can be used in a of situations, whether you're working on a small hobby project or a major renovation. Material: aluminum alloy colour: red Package Contents: 1 x punch locator 4 x drill(4.5/6/7.5/9mm) Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.