btf
11-04-2005, 03:06 PM
There is a 1/2" bolt in the base of this brand of tennis racket stringer that is a Whitworth 1/2" x 12 TPI x 2 1/2 Bolt. Apparently, it is the only Whitworth bolt in the equipment! The bolt is threaded right up to the head.
View Full Version : Gamma Tennis Racket Stringer Stand