Features: 1) Expander heads: 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8", CT-312 and CT-208 (10,12, 16, 19, 22, 25, 28mm Features:1)CT-100A Expander heads: 3/8, 1/2, 5/8, 3/4, 7/8, 1, 1-1/8", CT-312 and CT-208 2)CT-100M: 10, 12, 16, 19, 22, 25, 28mm, CT-312 and CT-208) Lever Type Tube Expanding Tool Kit