●Package includes : 5 pieces BSP tap. Fit for machining G1/8, G1/4, G3/8, G1/2, G3/4 BSP pipe threads. ●Made of bearing steel for high hardness, sturdy and durable, which is stronger and more durable than ordinary taps. ●Using pipe thread tap for tapping, it can be used with manual equipment or special processing consoles, such as tapping machines, drill-in-one bench drills, CNC lathes, machining centers, etc. ●Can forge cast iron, alloy, steel, metal and other material processing, has high cost efficiency and practicality. ●Repair the pipe connections with rust, breakage, slip and other threads. Ideal for auto repairs and machinery where metric threads are required.