Feature: 1. [Quick Release Dowel Jig] Our self centering dowel jig features quick release design, allowing for easy completion of three in one panel connections without the need for auxiliary boards. 2. [Precise Doweling] Self centering drilling guide and adjustable right angle tool enable precise dowel alignment and maximum joint strength. Steel sleeve ensures accurate alignment during drilling. 3. [Sturdy Construction] Made from premium 6061 aluminum alloy and nitrided hard tool steel drill sleeves, this dowel jig kit offers excellent strength, wear resistance, and long lasting durability. 4. [Versatile Use] The adjustable dowel drilling guide caters to various drilling requirements, while the pressure plate securely holds wood boards, ideal for creating edge to edge, edge to surface, and edge to corner joints. 5. [Wide Application] Ideal for edge, surface, T shaped, and L shaped joints, this drill locator kit is great for home repairs, enthusiasts, and woodworking projects. Specification: Item Type: Dowel Jig Kit Material: 6061 Aluminum Alloy Processing Thickness: Approx. 10-180mm / 0.39-7.09in Side Hole Diameter: Approx. 15mm / 0.59in Main Hole Diameter: Approx. 6mm / 0.24in, 8mm / 0.31in, 10mm / 0.39in Slider Stroke: Approx. 5-90mm / 0.20-3.54in Side Hole Stroke: Approx. 23-43mm / 0.91-1.69in Application: 3 in 1, 4 in 1, Circular Wood Dowel Hole Positioning. Package List: 1 x Quick Release Clamp 1 x Main Board (Including 3 x 8mm Drill Sleeves) 1 x Clamping Plate 4 x Extension Rods 1 x Slider 3 x Iron Washers 4 x Drill Bits 3 x 10mm Drill Sleeves 3 x 6mm Drill Sleeves 1 x Hook Spanner 2 x Hex Wrench 2 Pack x Accessory 1 x Storage Box 1 x Instruction Manual