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

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

Round Type Fixed Side Model FK
Inner diameter: φ 4 to φ 30

Square Supported Side Model EF
Inner diameter: φ 6 to φ 20

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

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