PEX Expansion Too Kit features self-rotary expansion heads, ensuring even expansion and effectively reducing number of expansions Alloy steel expansion heads for toughness and high pressure resistance, tube expander made of aluminum alloy ensures great sturdiness Includes a tube expander, 3 expansion heads (1/2', 3/4', 1'), a tube cutter, a grease and a case Plastic case with handle for keeping all accessories in place and easy carrying Ideal for remodeling, plumbing, fire safety, radiant heating