Features PACKAGE INCLUDE: NPT tap set contain 1/8‑27, 1/4‑18, 3/8‑18, 1/2‑14, 3/4‑14, 1‑11.5 taps, each in a separate plastic box, easy for you to store and carry to use EXCELLENT HSS: This pipe thread tap set is made of excellent high speed steel and is designed to cut female threads cleanly and efficiently. Ideal for cleaning or re threading blocked or damaged pipes WIDE APPLICATION: Uncoated HSS tap tools have only a base and do not require any additional treatment or coating for a wide range of applications CHIP COLLECTION: Straight groove tools allow chips to be collected in the groove during cutting and are ideal for most applications in shallow cutting ACCURATE AND EFFECTIVE: These NPT taps feature right hand cut accurate grinding threads, square ended round shank, with four straight grooves, which together ensure accuracy and efficiency in pipe threading Spec: Item Type: NPT Pipe Tap Set Material: 6542 High speed steel Size(NPT): 1/8-27, 1/4-18, 3/8-18, 1/2-14, 3/4-14, 1-11.5 PackageList: 1 x 1/8-27 NPT Pipe Tap 1 x 1/4-18 NPT Pipe Tap 1 x 3/8-18 NPT Pipe Tap 1 x 1/2-14 NPT Pipe Tap 1 x 3/4-14 NPT Pipe Tap 1 x 1-11.5 NPT Pipe Tap 6 x Storage Box Package List 1 x 1/8-27 NPT Pipe Tap 1 x 1/4-18 NPT Pipe Tap 1 x 3/8-18 NPT Pipe Tap 1 x 1/2-14 NPT Pipe Tap 1 x 3/4-14 NPT Pipe Tap 1 x 1-11.5 NPT Pipe Tap 6 x Storage Box