Outer diameter: 1/4”, 5/16, 3/8”, 1/2, 5/8, 3/4. Applicable size: outer diameter 6mm 8mm 10mm 12mm 16mm 19mm. Bell shape: JIS B 8607 standard shape. Number of battery bell mouths: about 100 bell mouths when fully charged. Applicable pipe: copper pipe. Processing time: about 5 seconds. Processing method: eccentric cone flaring (rotating and pressing). Expander cone rotator: 280 circles/minute.