Electronic Stringing Machine · 3 years guarantee  · Wear parts, such as springs or handles are without guarante · All parts are stainless · Each of the four racket fixings have another three fixing points => altogether 12 fixing points (1 x height, 1 x inner, 1 x external) · The racket seats each, with head- and grip, about 2/3 on coated steel-overlay (with plastic) and will be fixed on four points.    Clamps are made of solid steel and on inner surface coated with sapphire grain. Holding force adjustable.            tractive Power 4-40 kg          4-digits LED display ...