Dormer E524 E515 E513 HSS UNF UNC Hand Tap 2B Imperial Metric All Sizes I have all 2B metric and imperial Dormer Taps. Prices vary, depends on size. Contact me before putting order for a quote. Listening price is for 1x E524 1/2-20 UNF 2B No 2 HSS Dormer Tap.