ITEM NAME:M1-M12 Wrench Adjustable Tap Reamer Screw Extractors Holder N4U5 M1-M12 Wrench Adjustable Tap Reamer Screw Extractors Holder N4U5 General tool for handy tapping. This adjustable tap wrench is designed to firmly clamp the tap. Straight handle design provides greater leverage, especially when using larger diameter taps. Designed for use with taps, reamers, screw extractors etc. Adjustable metal tap reamer wrench, used for holding larger taps and in open spaces where there is a room to turn the tap wrenches. Product Name : Adjustable Tap Reamer Wrench Tap Capacity : M1-M12(1/16" - 1/2") Shaft Hole Diameter : 2.5mm/ 0.01" Shaft Diameter : 7mm / 0.28" Fit for Extractors : No1-No4 Total Size : 17.5 x 2.3x 1.2cm / 7" x 0.9" x 0.5" (L*W*T) Color : Silver Tone Material : Metal Package Content : 1 x Adjustable Tap Reamer Wrench Note:Light shooting 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 +/-1-3 cm..Fit for Extractors : No1-No4. General tool for handy tapping. This adjustable tap wrench is designed to firmly clamp the tap.