The Performance Tool W2967 Tapered Reamer Set is the perfect tool for achieving precise alignment in your projects. This 2-piece set can align holes and remove burrs from pipes, tubes, and conduit, while also enlarging and countersinking holes in sheet metal, plastic, and other materials. Made from heat-treated #45 High Carbon steel, these tapered reamers are built to last, making them an excellent choice for both professionals and DIYers. The T-handle design ensures easy handling and comfortable use, providing greater control over your work. With a capacity of 1/8" to 1/2" (3 - 13mm) and 5/32" to 7/8" (4 - 22mm), and a degree of taper of 5.06 degree 1/8 in. to 1/2 in. and 10.43 degree 5/32 in. to 7/8 in., this tapered reamer set offers a wide range of applications and can handle most projects with ease.