Item Type: Drill Hole Guide Jig Material: Aluminium Alloy Colour: Black Drill Sleeve Specifications: Approx. 3mm / 0.12in, 4mm / 0.16in, 5mm / 0.2inm, 6mm / 0.24in, 7mm / 0.28in, 8mm / 0.31in, 9mm / 0.35in, 10mm / 0.39in Function: Woodworking Tools 1Hole Drilling: Designed to have 3mm, 4mm, 5mm, 6mm, 7mm, 8mm, 9mm and 10mm drilling sleeves to meet your varied working needs. 2Stable Fixing: 2pcs clamping claw enable quick and firm punching centre fixing with 46mm maximum punching depth, very reliable. 3Reliable Work: Ensuring high accuracy in hole drilling, the drill guide jig will simplify the material splicing and woodworking. 4Good Material: Adopting premium aluminium alloy material with high hardness, rustproof, durable and also not likely to deform. 5Easy Carrying: Comes with a compact size and a light weight as well, both the daily storage and carrying are very convenient.1 x Drill Hole Guide Jig 8 x Drill Sleeve