6-point sockets offer more surface area making them less likely to slip off or round over corners. Chrome molybdenum steel with black oxide finish. Lifetime warranty.
National Pipe Thread Taps. Precision Cut Threads, Accurately Formed For Consistent, Exact Threading. Heat Treated And Tempered For File Hard Threads, And Longer, Useful Life. Designed For Hand Cutting Applications. National Pipe Thread Tap Sizes For Internal Threading On All Types Of Pipes.
Long lasting, rust-resistant stainless steel barrel. Blade clamp for better control. Blade wiper removes excess dirt, and prolongs life. Soft touch panels and grips for comfort. Removable blade snapper for easier and safer segment snapping.