Expanders with 1-1/2” (38.1 mm) long rolls will accommodate tube thicknesses up to:

STD. REACH 1/2” to 5-1/4” (12.7 mm to 152,4 mm)
“A” REACH 1/2” to 7-1/4” (12.7 mm to 203,1 mm)
“C” REACH 1/2” to 11-1/4” (12.7 mm to 304,6 mm)

Expanders with 2-1/4” (57.1 mm) long rolls will accommodate tube thicknesses up to:

STD. REACH 1-1/4” to 6” (31.7 mm to 171,4 mm)
“A” REACH 1-1/4” to 8” (31.7 mm to 222,1 mm)
“C” REACH 1-1/4” to 12” (31.7 mm to 323,6 mm)

Some diameters available up to 5 m length (16 feet).