Cutting wheel mounted in a pin with ball for quick replacement

Perfect for routine maintenance of typical hobby and craft knives

Sturdy steel construction resists wear and provides reliable performance

Threaded Rod

including schedule 80 through 12" (315 mm) diameter

4" INSERT BARB COUPLING, GRAY PVC Cutting wheel mounted in a4" INSERT BARB COUPLING, GRAY PVC Our PVC barbed insert fittings are chemical and corrosion resistant. They're designed for positive grip and easy installation while being super durable. This is a 4" PVC coupling insert x insert. These are PVC insert couplings used for repairing or joining poly hose, suction hose, and layflat.