NOVA 6050 Duck Call Jaws are an accessory for your NOVA Chuck. This unique specialty set quickly and easily converts your NOVA Chuck to help you create game calls and other cylindrical shapes for projects such as pepper mills, reworking chair legs and many more. With these jaws, your NOVA chuck converts into a fast and accurate larger spindle blank drilling facility. The big jaw profile provides a vibration free, solid grip for a variety of sizes and long shapes. Being able to finely control the dill feed on the lathe is a big advantage to prevent break out on delicate game calls. But these unique jaws, exclusive to NOVA, can do so much more than just game calls. The solid, extended grip design can handle the most popular 1-1/2 in. round blanks up to 2-3/8 in. round blanks. These heavy-duty jaws are secured by 2 screws on each segment to provide secure grip and each jaw segment has an internal profile to handle larger rounds with ease and minimal vibration. Precision machined from high quality solid 1045 machine steel billet in 1 dedicated set, for maximum reliability and performance. Backed by NOVA’s comprehensive market best 6-Year full replacement warranty. This jaw fits all NOVA chucks (NOVA Infinity Quick Change requires a retro kit) This is a 2 segment jaw, not a 4 segment jaw. Included in package – 2 solid jaw segments, fastenings and manual. For your safety, we only recommend the use of authentic NOVA accessories on your NOVA chucks.