The quick-release Drill Guide Block makes set up simple Set it up once and use it repeatedly with no further measurements – This template jig lets you measure out perfect hole positions for cabinet handles, pulls, and knobs Quick, Easy Adjustments – A multiple purpose template for precise installation of Pulls/Knobs on drawers and doors, the L-bracket and top screws keep it dialed in horizontally and the two large front thumbscrews locks in the vertical position Premium Durability – Crafted with stainless steel and Aluminum Detachable and portable, can be split into small parts, convenient to carry