ARP Arp Thread Cleaning Tap Combo 1.50 & 1.75 912-0010 Thread Chaser - 10 mm x 1.50, 11 mm x 1.50, 12 mm x 1.50, and 12 mm x 1.75 Male Thread - Steel - Universal - Set of 4 MSRP: $238.42 Was: Now: $198.68 Add to Cart