For sale is a Group of (4) 1" Diameter Annular Cutting Bits. All are 1" diameter. (3) Are marked UTD - 1/2R - HSG8, and have 4-flutes. (1) Is marked Cleveland T.D. Co. - 3506 - H - 1/2 - High Speed, and has 5-flutes. The condition of these cutters appears excellent, with no apparent chipping or damage to the cutting edges. Fast and inexpensive shipping via USPS small flat rate box.