1、[5PCS IN 1 SET] Including 5pcs hand reamer, with fine processing, with strong practicability and labor saving operation. 2、[UNIVERSAL SHANK] With universal shank type, high grinding accuracy, stable in clamping and not easy to slip or fall off. 3、[9SICR MATERIAL] Using 9SiCr material for integral forging, the reamer is hard and wear resistant, ensuring smooth processing. 4、[ADJUSTABLE DESIGN] The adjustable range is 10‑10.75mm, which can be adjusted according to the punching situation. 5、[WIDE APPLICATION] Widely used for perforating metal materials such as steel, aluminum alloy, cast iron, copper, galvanized pipe, etc. 5 x Hand Reamers Item Type: Hand ReamerProduct Material: 9SiCrAdjustable Range: Approx. 10- 10.75mm / 0.39- 0.42inBlade Length: Approx. 38mm / 1.5inProduct Quantity: 5pcsApplication Range: Widely used for perforating metal materials such as steel, die steel, aluminum alloy, cast iron, copper, galvanized pipe, etc.