Description: Expert for Drill Hole: This is a set of drill guide tools for the fixation and centering while drilling and woodworking,safe and quick for locator for the woodworking. 6 Drill Bushings: 5-10mm drill bushings and drill guide body are fixed by screws,more stable and with strong clamping force when drilling.6 bushings easy to exchange for different drill needs. Fine Quality Material: Drill guide body use the newest engineering plastics,wear-resistant and longevity; drill bushings made from abrasive cast steel with high hardness and corrosion resistance. Accurate Drilling: Centerlines ensure accurate alignment when drilling into various surfaces.By holding the drill guide body, easy to get vertical hole drilled without any deviation. Practical Woodworking Tool: The drill guide is a perfect tool set for both furniture factory and woodworking DIY. Specification: Material: Metal Size Chart: 8x5.5cm/3.15x2.17inch Package Includes: 1 Piece Main Body Drill Guide 1 Piece 5mm Drill Bushing 1 Piece 6mm Drill Bushing 1 Piece 7mm Drill Bushing 1 Piece 8mm Drill Bushing 1 Piece 9mm Drill Bushing 1 Piece 10mm Drill Bushing Note: 1. Please allow slightly error due to manual measurement. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3. Wish you a wonderful on-line shopping!