New taps have self alignment feature which ensures straight threads. The new Chip Breaking technology on the taps makes it up to 30% easier to break chips. The increased flute taper makes these taps 20% more durable. New dies have self alignment feature which gives you less chance of cross threading. Made in USA

Item # 4935055

• Performance Threading System Drive Tools Features:
• No more set-screw needed, simply twist to insert and remove die
• Ergonomic handles for more control and comfort when threading
• Drive with die stock, 3/" ratchet or t-handle included
• Drive with adjustable jaw
• Die adapter accommodates standard 1" hex dies

Item #4935056

• Tap Type Plug
• Includes Taps, No. 4 - 1/2 in. NC & NF Pitches
• Measuring System SAE
• Wt.1.60 lb

Item #4935057

• Tap Type Plug
• Includes Taps, 3 - 12mm w/Coarse and Fine Pitches
• Measuring System Metric
• Wt. 1.60 lb

Item #4935060

• SAE 1" Hex Dies - No. 4 to 1/2" with NC and NF Thread Pitches
• Self-Aligning dies start and thread straight every time
• More steel at critical points for additional strength

Item #4935061

• Metric 1" Hex Dies - 3mm to 12mm with Course and Fine Thread Pitches
• Self-Aligning dies start and thread straight every time
• More steel at critical points for additional strength