Features: Aluminum alloy & plastic transparent cover, can be milled in diameter 6-60CM. Widely used in guitar, speakers and other wood milling round grooving processing. With a transparent base for trimming machine, which can be installed with FF04-6, FF02-6, and is suitable for trimming machine with a diameter of 65mm. 8mm locating pin, drill hole, can be backfilled with log tenon, 2.5mm nail hole, straight nail method, can be backfilled with repair paste. Small size, portable easy to store and carry, bring you convenience. Specifications: Material: aluminum alloy Package size: approx 26x15x10.5cm/10.2x6x4.1in Minimum milling radius 3cm Maximum milling radius 30cm Package Includes: 1x Circle Cutting Jig note: Please allow 1-3cm error due to manual measurement. pls make sure you do not mind before you bid. Due to the difference between different monitors, the picture may not reflect the actual color of the item.