This product is a portable drill guide, which is made of durable brass, stainless steel and wood material, with good texture, safe and practical. Easy to install and use, it can be easily applied to woodworking or DIY, a very practical accessory that will meet your needs well. Features -Color:Assorted Color -Material:Stainless steel, brass, wood -Size:11.50X8.00X4.00cm/4.52X3.14X1.57in -Size:12.00X1.00X1.00cm/4.72X0.39X0.39in -Size:11.00X0.80X0.80cm/4.32X0.31X0.31in -Size:8.00X1.50X1.50cm/3.14X0.59X0.59in -Size:5.00X3.40X0.30cm/1.97X1.34X0.12in -Size:9.20X4.40X2.20cm/3.62X1.73X0.86in -Size:4.00X0.80X0.80cm/1.57X0.31X0.31in Maximum clamping range: 38mm Suitable panel thickness: 13-50mm - Fast and accurate positioning and drilling, reducing the time for positioning holes. - With precise scale, you can adjust drilling height and hole depth, perfect tool for carpenters, construction builders, and etc. - Drill vertical holes easily and quickly, can hide the screws in wooden furniture. - Small and compact size, light in weight, you can carry and use it wherever you go. - workmanship, reasonable structure, professional and practical, can bring you convenience. Package list: 6 x punch drills (8mm, 10mm, 15mm) 6 x dowels 2 x embedded part locator 2 x three-in-one locator 2 x drill sleeve wrench 2 x drill wrench