MAHR CR-20010-W12 COLLAR STOP, .812"ID X 1.625" OD X .500, 1/4-28 THD. Brand: Mahr ID#: CR-20010-W12-MHR |MFGID: CR-20010-W12 Calibration Reference $97.50 Quantity discounts available QuantityPrice Qty -+ Add to Cart Share Product Info Product Information Description Mahr Cr-20010-W12 Collar Stop, .812"Id X 1.625" Od X .500, 1/4-28 Thd. Specifications