Setting Ring We are dedicated to give everyone the very best houseware products for all home needs, with a focus on dependability, our client satisfaction and great quality. We provide highquality modern products to be enjoyed by many clients. Features. It is used as an accessory for the interior of micrometers, warmer and dial bore gauge. Used for quick zero adjustment of dial gauges bore, hottest, and inside, micrometers. Actual inner diameter is marked on each ringSpecifications. Size 0.8 in.