The Spinfire Tennis Clamp V20 is a standard column clamp for those stringers who only want to string tennis racquets. It's smooth action and high quality design make this a great option for compatible machines.

Column Diametre: 12.2mm

Compatible Brands:

Spinfire
SAM
Exthree
Xtreme
Alpha

Incompatible Brands:

TST
Silent Partner
Klip
Eagnas
i-Stringer
Gamma