Package List 2 pcs x 20 in 1 Tap Die Set Features - Color: As shown wrenches - Size: 20x3x1cm die set - Material: alloy steel Metric Tap and Die Set - It can improve the efficiency of processing thread, a necessary tool for hand tapping operation threading tool. - for thread processing and tapping by hand in machine manufacturing Essential Threading Tool Kit. - With this screw die and wrench set, the thread processing will become more easily and precisely tools. - Adopting bearing steel, which is durable and has long service life Practical Tap and Die Set.Goods DescriptionPractical Tap and Die Set Adopting bearing steel, which is durable and has long service life.Essential Threading Tool Kit This screw die and wrench set is a general tool for hand tapping operation.wrenches With this set, the external thread processing will become more easily and precisely