& OOTDTY Features: This handy template allows you to make repetitive cuts correctly with ease. The dovetail is made of pre-made convex and concave guides that match the standard measurements used in furniture manufacturing. The width of each tooth is the same, so by controlling the positioning of the teeth and cutter, it is easy to accurately control the size of the bump. The caliper has a metric/inch scale, accurate reading, and can meet your different needs. After processing, the clamp can provide a fine scale. The clamp can work with a special milling machine. Spigot clamp only, other accessories demo in the picture are not included! Specifications:Material: Aluminum Alloy Size: app.95x59x8mm/3.74x2.32x0.31in Color: Black Quantity: 1 PcNote:Please allow 0-1cm error due to manual measurement. Pls make sure you don't mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package Included:1 x Trunnion Clamp