[Built-in measurement] There is no need to mark when using the fixture, the precise metric scale can be adjusted to the appropriate position for punching according to the thickness of the wood, the multi-level card slot design, the adjustable range is 12-38mm.[Magnet Base]Unique magnetic built-in system makes it easy to set your clamp position, provides quick and easy operation, and works with any metal clamp.[Double hole chip removal]The design of two chip removal holes makes the wood chip discharge more smoothly, and the drilling is fast and labor-saving.[Hardened Drill Guide]The drill and the metal guide hole fit without space, the drilling is smooth, and the drilling angle is 15, which can realize precise screw connection, and the embedded screw can be invisible.Widely used in furniture, wood splicing, suitable for woodworking beginners, woodworking experts, DIY enthusiasts, etc.Material:Metal + Plasticcolour:Photo ColorPackage Contents:1 * Two Hole Jig1 * Step Drill Bit1 * Stop Collar1 * Square Drive Bit1 * Hex KeyOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.