TIME & MONEY SAVER - External Capacity:1-1/4Inch to 5inch O.D. Eliminates the need for expensive thread-cutting equipment. FUNCTION - Immediately Save, Repair & Bring Threads Back to life. Quickly restore threads to near original-condition. BENEFITS - The die cast alloy V-pad not damage the threads. V-pads and dies can be replaced when worn out. Easy operation - Simply tighten the tool slightly on the good threads then back it off over the thread area to restore threads quickly and accurately. How to use: 1. Simply tighten the tool slightly on the good threads. 2. Back off over the thread area to restore the threads. Color: Silver Material: Metal Package Contents: 1 x Outside Thread Chaser and die set Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.