The 12Pc Tap & Die Set Nr Set 12 C/W Screw Lock Low Strength (Tctl030-10) Is A Comprehensive Tool Kit Designed For Thread Cutting And Repairing Damaged Threads In Metal, Plastic, And Other Materials. The Set Includes 12 Taps And Dies In Various Sizes, Allowing For Both Internal And External Threading. The Screw Lock Mechanism Provides Secure Engagement With The Workpiece, While The Low-Strength Taps Are Ideal For Softer Materials. Perfect For Mechanics, Diy Enthusiasts, And Repair Professionals, This Kit Offers The Essential Tools For Creating Or Restoring Threads With Precision And Ease.