Features 1、Adjustable drill guide, easy to meet your drill requirements. 2、Come with 6/8/10mm drill bushings and twist drill to drill corresponding size of holes. 3、Forged by premium tool steel, the drill bushings are of good strength and long durability. 4、Strict and fine workmanship ensures high precision and long service life. 5、Help you drill hole in the right spot, greatly reducing drill mistakes. Specification Features: 1. Adjustable drill guide, easy to meet your drill requirements. 2. Come with 6/8/10mm drill bushings and twist drill to drill corresponding size of holes. 3. Forged by premium tool steel, the drill bushings are of good strength and long durability. 4. Strict and fine workmanship ensures high precision and long service life. 5. Help you drill hole in the right spot, greatly reducing drill mistakes. Specification: Drill Guide Material: Aluminum Alloy Drill Bushing Material: Nitride Tool Steel Drill Thickness: Approx. 10-180mm/0.4-7.1in Side Hole Diameter: Approx. 15mm/0.6in Direct Hole Diameter: 6/8/10mm Slide Stroke: Approx. 5-90mm/0.2-3.5in Side Hole Stroke: Approx. 23-43mm/0.9-1.7in Size: Shown as picture Weight: Approx. 1550g/54.7oz Attention: The goods do not have K,G in the manual Package list: 1 * Extension Locator 9 * Drill Bushings (3pcs 6mm, 3pcs 8mm, 3pcs 10mm) 2 * Knurled Bolts 4 * Limit Ring (1pc 6mm, 1pc 8mm, 2pcs 10mm) 1 * 15mm Tapper 3 * Drill Bits 6/8/10mm 1 * Hook Spanner 1 * Slider Set 1 * Main Board 2 * Washers 0.5/1mm 2 * Hex Wrench 1 * User Manual Note: Since the slider slides 2mm each time, it can only be aligned with the center of the plate of 10, 14, 18, 22mm, etc. If the thickness of your plate is not these thicknesses, it can't be aligned with the center to punch hole without adding washer. The product does not have K (clamping plate) and G (star screw) in the manual. Customers need to purchase fixed items such as strong forceps for use. Package List 1 * Extension Locator 9 * Drill Bushings (3pcs 6mm, 3pcs 8mm, 3pcs 10mm) 2 * Knurled Bolts 4 * Limit Ring (1pc 6mm, 1pc 8mm, 2pcs 10mm) 1 * 15mm Tapper 3 * Drill Bits 6/8/10mm 1 * Hook Spanner 1 * Slider Set 1 * Main Board 2 * Washers 0.5/1mm 2 * Hex Wrench 1 * User Manual