Square Fixed Side Model EK
Inner diameter: 4 to 20mm

Square Fixed Side Model BK
Inner diameter: 10 to 40mm

Round Type Fixed Side Model FK
Inner diameter: 4 to 30mm
 
Square Supported Side Model EF
Inner diameter: 6 to 20mm

Square Supported Side Model BF
Inner diameter: 8 to 40mm

Round Type on the Supported Side Model FF
Inner diameter: 6 to 30mm