??STRONG AND DURABLE - The main part of the tube expander is made of hardened steel. Therefore, this guarantees the strength and durability during the expansion of the tube. | ??7 EXPANDER HEADS OF DIFFERENT SIZES - The kit comes with expander heads ranging from 3/8" to 1 1/8" O.D. to meet the needs of different sizes tube expansion. | ??COMFORTABLE HANDLE - This tube expander is with cushioned grip. It can provide leverage in the process of expanding the tube to make your work easier and more comfortable. | ??SUITCASE AND PROFESSIONAL TOOLS - With deburring tool for cleaning the inside and outside of the tube to make it smoother. The red suitcase allows you to carry the tubing expander tool to any site. The kit also includes a helpful pipe cutter. | ??SPECS - Dimensions of Expander: 15"*5 1/2"*1 3/4"; Size of Tube Expanders: 3/8", 1/2", 5/8", 3/4", 7/8", 1", 1 1/8"; Size of Tube Cutter: 1/4"-1 5/8" (7-42mm); Dimension of Case: 16 1/4"*10"*2 1/5"; Application: Aluminum and Copper Tubing