For anyone building rustic furniture, Our aluminum-body tenon cutters will cut smooth, perfect tenons with radiused shoulders. Cutters are designed to run vibration free while being driven by an electric drill, yet still yield the same accuracy when used with a hand brace. The polished body has been balanced to eliminate vibration and makes in-line cutting more accurate. To increase safety, the back end of the blade is contoured to avoid anything extending beyond the revolving aluminum body. The blade is adjustable to cut the exact size of tenon required in both dry and green wood. Available in nine cutting diameters. Sizes 3/8" to 5/8" cut 2-1/2" long tenons and are typically used for most rustic furniture. Sizes 3/4" to 1" will cut 3-1/2" long tenons and are used for chairs and small Tables. Sizes 1 1/4" to 2" will cut 3-1/2 - 41/4"" long tenons and are used for large structural connections, such as bed frame to post, or fence rail to post. All sizes have hex shanks; and are for use in larger electric drills with a 1/2" (or larger) chuck.