Size: 53 x 12 x 14 mm. This product is a steel ruler drill guide that makes wood drilling easier, straighter and more accurate. Why you need it - Improves drilling accuracy by guiding the drill along a precise edge. - Durable steel construction for long-term use. - Easy to install and simple to use on compatible tools. - Fits steel rulers with thickness 0-3.5 mm and width 0-30 mm. - Suitable for wood products, measuring tools for engineers, and related woodworking tasks. Key attributes - Material: steel - Function: drill guide for wood to achieve easier, straighter, and more accurate holes - Size: 53 x 12 x 14 mm - Compatibility: suitable for steel rulers with thickness 0-3.5 mm and width 0-30 mm Use scenarios - Drilling precise pilot holes in furniture panels or wooden boards for dowels or hardware. - Aligning multiple holes along a line for cabinet assembly or shelving. - On-site projects where a ruler-based guide ensures consistent hole placement in woodwork and engineering measurements.