Wiss WRPCSM Wiss Ratchet Pipe Cutter, Small, cuts 1/8" - 1/2" Pipe Diameter Wiss WRPCSM Large Ratcheting Pipe Cutter will cut material from 1/8 inch to 1/2 inch inch diameter. Lightweight aluminum cutting head with steel cutting wheel housing and rollers. Frame is made from nylon/fiberglass construction for durability. Steel carbon cutting blade wheel cuts most common pipe materials. Interior ratchet mechanism rotates 360 degrees inside tool head. Extra cutting wheel storage in handle for convenience and fact change out.