Stainless steel extension slide for C-1500PiC-1500PeC-1500P Circle Cutter with Center Gauge Once installed, it can cut a circle of 6.3 - 15.7 inches (16 - 40 (Cutting range only for C-1500PiC-1500PeC-1500P / Diameter 0.7 - 6.7 inches (1.8 - 17 cm) Circle) Cannot be used with this product. For use with circular cutters C-1500PiC-1500PeC-1500P Extendable range: Diameter ~ 15.7 inches (400 mm); Screw fixed; Compatible with: C-1500P; Packaging form: Blister pack