Our shelf pin jig helps drill seven 1/4inch straight holes at once with 1-1/4inch spacing, for shelf building. The all metal door hinge clamp provides stable, precise drilling performance, making your job faster and save time. Our shelf pin drilling guide contains 32mm hole spacing and accurate and clean 1/4inch shelf pin hole drilling, suitable for shelf pin installation. It is suitable for longer or larger projects. You can combine two or more jigs together to drill multiple holes at once. This shelf pin jig provides 37/50/64mm edge distance to meet different shelf DIY and maintenance needs, and for anyone to adjust and use. With it, everyone can create their own shelves. Made of high quality aluminum alloy, it is and easy to drill accurate straight holes. It includes 7 hardened drill guides to use. Product Name:Shelf Pin Jig Colour:Black Material:Aluminum alloy Size:22x10 cm/8.7x3.9 inch Package Contents: 1 x Locator 2 x Drill Bit 1 x Limit Ring 1 x Wrench 1 x Limiting Rod 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.