Description Function: circular cutter is ideal for making speaker cutouts, fast milling and saving workload. With holes: cuts different circles in diameter, universal for most trimmers. High Accuracy: Precision drilled pivot holes hold pins in selected holes. Dimensions (L x W x H): approx. 328 x 167 x 5 mm Easy to install: mounts directly to the base of various models of plunge cutters. Function: easy to read scale is calibrated for the cutter. Package Content : 1 x Circle Cutter Features: Function:Circle cutting device is ideal for making speaker cut-outs, fast milling and saving workload. With holes: cuts different circles in diameter, universal for most trimmers. HIGH ACCURACY Precision drilled pivot holes hold pins in selected holes. Function: easy to read scale is calibrated for the cutter. Easy to Install Mounts directly to the base of various models of plunge routers. Specifications: Material: Plastic Dimensions (L x W x H): approx. 328 x 167 x 5 mm. Colour: Yellow Box contents: 1 x Circle Cutter Note: Please allow 0-1 cm error due to manual measurement. Please only buy if this is not a problem. Due to the difference between different monitors, the picture may not reflect the actual color of the item.