Uxcell Knurled Shaft Adjustable Metal Tap Reamer M6-M20 Wrench Product Name : Adjustable Tap Reamer Wrench; Tap Capacity : M6-M20 (1/4" - 3/4") Shaft Diameter : 12mm / 0.47";Total Size : 31 x 3.6 x 1.6 cm / 12" x 1.4" x 0.6" (LWT) Color : Silver Tone, Black; Material : Metal Weight : 508g Package Content : 1 x Adjustable Tap Reamer Wrench