Features: The 8 hole dowel maker jigs features precise engineered aluminum alloy construction with 8 adjustable hole sizes (8-20mm), enabling rapid, uniform dowel creation for woodworking projects while carbideIts innovative adjustable block design with a golden lock nut allows quick diameter adjustments, while integrated blade and included wrench/bit simplify setup for precise dowels across various wood types. Its innovative adjustable block design with a golden lock nut allows quick diameter adjustments, included wrench/bit simplify setup for precise dowels across various wood types. Designed for woodworkers, and DIYer enthusiasts seeking professional results, this jigs accommodates multiple skill levels for furniture repair, craft projects, or joinery applications. Optimize workshop efficiency when crafting table legs, decorative spindles, or garden trelli components – the multi hole dowel maker ensures consistent results in furniture workshops, construction sites, or home DIYer environments. Engineered with durability and a right angled stabilizing bracket, this woodworking tool delivers factory grade dowel precise while resisting wear during high volumes drilling tasks. Specifications: Component: Aluminum alloy Size: 9.8x8.5x2.5cm/3.86x3.35x0.98inch Package Includes: 1 Set Multi Hole Drill Guide Jigs note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.