This pin fixture comes with a 1/2 inch x 11.8 inch drilled drill, designed for precise drilling, and is ideal for mounting floating shelf stands and hidden shelf stands. the installation process is smooth and accurate This pin fixture kit not only drills 1/2-inch (approximately 1.3 cm) holes for floating racks, hidden brackets and fireplace fireplaces, but also includes drill bits with 1/4-inch, 5/16-inch and 3/8-inch holes, providing excellent versatility for a variety of woodworking tasks Pin Clamps are easy to use - Just twist and fix, with automatic centering, ensuring perfect, straight holes are achieved every time, providing accurate and stable results The sides are equipped with practical line markings, and pin fixtures help you easily mark the precise offset and of woodworking tasks for increased efficiency and accuracy Made of high-strength aluminum alloy, it is made of strong, wear- and heat- high-quality stainless steel bushings.It handles heavy-duty drilling tasks and provides long-lasting performance Colour:Orange Material:Metal Package Contents: 1 set * dowel jig kit Only the above package content, other products are not included. Note: Light reflection 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.