For those who need to cut diameters larger than 48" (1,219 mm), this CRL 36" Extension Bar for the TC6048 will allow you to produce circles up to 72" (1,829 mm) while using your CRL Self-Oiling Circle Cutter.

Easy changing is accomplished by a single set screw. The bar has graduations inscribed on it for easy reading. Made from high quality aluminum.