Specifications Part Name Wheel Marking GaugeMaterial Aluminum Alloy Stainless Steel and BrassDimensions 235 x 160 mmFeatures 1 Multi Functional Tool Combines parallel marking contour tracing and precision gauging into one convenient device ideal for woodworking professionals and hobbyists 2 Adjustable Caliper Design Hex vernier caliper mechanism ensures precise adjustments for various measurements supporting accurate mortise and tenon alignment 3 Premium Build Quality Crafted with aluminum alloy stainless steel and brass construction providing long lasting performance in demanding woodworking conditions 4 Seamless Edge Application Features a Y shaped roller guide allowing straight and curved edges to be marked with optimal precision and efficiency 5 Parallel Marking Scales Integrated parallel scales enhance consistency for intricate design creation offering reliable methods for complex projects Package Included 1 x Wheel Marking Gauge