The Easy Wood Tools Easy Chuck and Easy Jaws system allows quick and effortless changing of chuck jaws from one set to another. The patented Easy Jaw Snap Lock Technology (SLT) allows you to change a set of 4 jaws to another set in less than 30 seconds. SLT uses no screws or wrenches to exchange jaws. Simply use the supplied Jaw Key to depress a keeper latch in the jaw and then effortlessly slide each jaw out. You then slide the next jaw type in place until you hear the cool sounding "SNAP". No more fumbling with set screws or worrying about installing jaws in the proper order. This gets you back to turning quickly with the jaws you need to securely hold onto any project. The 1 3/8" Easy Reach Dovetail Jaws are perfect for bowl and platters up to 6" in diameter. Grips a 1 3/8" tenon, expands to 2" and has a jaw length of 1 1/4". Sale includes set of 4 jaws only. Easy Chuck not included. A wide variety of accessory jaws are sold separately and allow you to use the Easy Chuck for a wide variety of project applications.