Features 8 Durable Drill Bushings: Includes 8 metal drill bushings ranging from 6mm to 10mm, designed for high hardness and wear resistance to ensure precision in every project Fast and Accurate Positioning: Quickly locate the center position with efficiency, accommodating boards up to 45mm thick for seamless drilling and assembly Premium Aluminum Alloy Construction: Crafted from anodized aluminum alloy, this drill guide offers exceptional stability and durability, ensuring long-lasting performance User-Friendly Design: Features 6mm and 8mm card slots along with parallel line check slots, simplifying the alignment and drilling process for effortless use Ideal for Furniture Projects: Perfect for positioning furniture boards during assembly, providing excellent perpendicularity for improved splicing and overall project quality Features: 1、8 Drill Bushings: The kit contains 8 specifications of metal drill bushings from m to 10mm, with high hardn and are not easy to wear. 2、Fast Positioning: The center position can be quickly located, accurate and efficient, the maximum thickn of board supports 45mm. 3、Aluminum Alloy Made: The drill guide is made of aluminum alloy with anodized , which is not easy to , ensures stability and durability. 4、Easy : With 6mm and 8mm card slots, and parallel line check slots, you can complete alignment and drilling easily. 5、Furniture Installation: Widely used for positioning of furniture boards when punching, with good perpendicularity, so that the boards can be spliced better. Specification: Item Type: Self Center Dowel Jig Material: Aluminum Alloy Color: Red Drill Bushing: Approx. m/0.12in, 4mm/0.16in, 5mm/0.2in, 6mm/0.24in, 7mm/0.28in, 8mm/0.31in, 9mm/0.35in, 10mm/0.39in, meeting various hole opening sizes Purpose: Woodworking tools Package List: 1 x Self Center Dowel Jig 8 x Drill Bushings Package List 1 x Self Center Dowel Jig 8 x Drill Bushings