Place an order now and get the Ridgid 10311 1 1/8" Tube Expander Head from PlumbersStock. Homeowners and contractors love our products and pricing. This single-stage expander is manufactured to expand tubing for accurate and fast joints in aluminum, soft copper, and soft steel tube. It can be used without fittings, and the mechanism is self-centering and free-floating. Ridgid is a trusted tool brand known for quality manufacturing.