Features CORROSION RESISTANT MATERIAL: Made of high hardness aluminum alloy, strong and durable. Surface anodized aluminum, corrosion resistant, no rust SUITABLE ANGLES: Drilling guides are available with drilling angles of 30°, 45° and 90°. Suitable for 90° horizontal deck posts and 45° and 30° angle stair railings, the angle is fixed without deviation ACCURATE AND EFFICIENT: 90° V grooves can be drilled at 90° angles and cylindrical surfaces. N shaped locating grooves can be used to accurately locate where to drill COMPLETE ACCESSORIES: Set includes 1 punch locator, 4 drill bits, 12 drill sockets, complete accessories guarantees convenient operation EXCELLENT ALUMINUM ALLOY: Made of excellent aluminum alloy material, light weight, possess good strength and good corrosion resistance Specification: Item Type: Drill Hole Guide Jig Material: Aluminum alloy Color: Red Use: Woodworking tools Package List:1 x Punch Locator4 x Drill12 x Drill Socket Package List 1 x Punch Locator 4 x Drill 12 x Drill Socket