Columbia Tools' 14-piece Standard Automatic Taping Set includes 3 in. & 3-1/2 in. Angle Heads with Wheels (2.5AH) & (3.5AH), 8 in. Corner Throttle Box (8CFB), an Angle Head Adapter (AHA), one Box Filler (BF), a 3 ft. - 5 ft. Columbia One Extension Handle (C1HEXT), Corner Roller (CR), a Gooseneck (GN), a Hot Mud Pump (HMP), 10 in. and 12 in. Finisher Boxes (10FFB) & (12FFB), a Nail Spotter (NS), a Flat Box Matrix Handle (MH), and a 53 in. Automatic Taper (TAPER).