Features: Drill perfectly straight holes at 1-1/4 inch(32mm), increments to build wobble-free shelves It can drill 6pcs precise 5mm or 6pcs precise 6mm straight holes one time according you need. Require bits to create 6mm and 5mm holes according you choose. Fit Pin Jig 5mm and Pin Jig 6mm You can move the jig to either side of a project. Helped you to do a good job and keep everything lined up. It's sturdy and compact and made nice evenly space holes quickly. This Shelf Drill guide has a 32 mm system to accurately place shelf pin holes for hinges and drawer slides This cabinet shelf pin jig is easy to use, superbly made, complete with accessories.Whether you're a professional carpenter or a woodworking hobbyist, our drilling jig for shelf pin is essential addition to your toolkit. Specifications: Component:Aluminum Size:Approx.19.2x7x0.5cm/7.5x2.75x0.19inch Package Includes: 1 Set Shelf Pin Jig note: 1.Please allow 1-2cm errors due to manual measurement, making sure that you not mind before order. 2.Due to the differences between different monitors, the picture may not reflect the actual of the item.