About This Wisscool swaging tool has everything you need to make clean, quick swages of most popular tubing sizes An economical method for joining copper tubing by eliminating the need for a coupling. Once the swage has been made, the tubes can be easily sweated together with solder This tube expander is simple enough to keep in a tool bag and requires no hammer, no block and no need to setup. Just remember to rotate the copper after each “pump” of the tool to achieve a nice uniform swage Tool swages 1/4" 5/16" 3/8" 1/2" 5/8" 3/4" 7/8" O.D. tubing. Hi-alloy steel, heat-treated for rugged use. Precision machined surface for ease of forming Thickened handle with green cover is soft and non-slip, greatly help to reduce hand fatigue. Apply for refrigeration system, copper pipe, tube Overview Brand : Wisscool Material : Copper Color : Green-pro Item Weight : 0.41 Kilograms Manufacturer : Wisscool Number of Packs : 1 Unit Count : 14.4 Ounce Specific Uses For Product : HVAC, Plumbing, Construction Temperature Rating : 40-100°F