Description: Adjustable drill guides control angle of drill. And the dill is sharp and rigid. It is a perfect tool set for both furniture factory woodworking lovers, and carpenter’s toolbox. The clamp can hold the wood tightly. It won't wear out even use it for a long time. Magnetic sheet and gasket design, ensuring that the side hole accuracy is within 0.5mm. Since the slider moves 2m at a time, it can only be aligned with the center of the thick plate of 10, 14, 18, 22m, etc. Will facilitate your job of adding dowel rods accurate, fast and easy. Surface Treatment: anodized. very wear-resistant, durable and long lasting. Specification: Color: Silver Material: Aluminium Alloy Package Size: 34x22x6cm/13.39x8.66x2.36inch Package Includes: 1 Set Woodworking Drilling Guide Locator Tool Kit Note: Please kindly allow 1-4mm differences in size for the manual measurement. Please kindly understand that the item's color may be slightly different from the pictures for the light and screen difference.