Multiple Size Tap Set High Speed Steel Number of Pieces 19 Thread Sizes Included #0-80 #1-64 #1-72 #10-24 #10-32 #12-24 #12-28 #2-56 #2-64 #3-48 #3-56 #4-40 #4-48 #5-40 #5-44 #6-32 #6-40 #8-32 #8-36 Thread Standard UNC UNF Thread Direction Right Hand Tap Finish Bright (Uncoated) Thread Limit H1 H2 H3