Product description: Material: ABS plastic + stainless steel Color: blue + silver; Size: 41*31 cm (about 16.1*12.2 inches); Package includes: 1 x Cabinet Hardware Jig 1 x Bag of transport How to use: 1) Adjust spacing - Use the metric ruler scale to set the material spacing. 2) Make location - Start drilling at desired location 3) Hold in place - Repeat and drill the other end Units of measurement at a time Inch and MetricThis knob and pull jig comes with both inch and metric for easy measuring. And this detachable and portable release drill guide block can be divided into small parts, which is really convenient to carry with a small space. Quick and Easy AdjustmentsA versatile model for installation precise handles/knobs on drawers and doors, the L-bracket and top screws hold it in a horizontal position and the two front large thumbscrews lock in a vertical position. Detachable and portable This release drill guide block can be divided into small parts, which is really convenient to carry with small space. A good accessory and helper for woodworking or DIY.