Easy Wood Tools CJ350 Easy Reach Dovetail Jaws 3-1/2" Reach for Easy Chuck Allows quick and effortless changing of chuck jaws from one set to another in less than 30 seconds The 3  Easy Dovetail Jaws are perfect for large bowl and platters up to 24" in diameter. Grips a 3 1/2" tenon, expands to 4 1/4 and has a jaw length of 1". Sale includes set of 4 jaws only. Easy Chuck not included.