31 PCS HSS Mini Tap and die Set UNF / UNC 0-90 to 4-40 31 PCS mini HSS tap and die set 0-90 to 4-40 0-90; 0-80; 1-64; 1-72; 2-56; 2-64; 3-48; 3-56; 4-40 Taps and dies