Park Tool CSH-1 Clamping Spoke Holder Shimano 4 compounds in the tread

4 compounds in the tread (4C) for increased wear life

The much higher precision AND harder SILCA S2 key with thin-dense Chrome coating is both 16% harder AND more dimensionally accurate resulting in only minor deformation of the fastener after 50 tighten/loosen cycles

and cadence data

mm 0 (38T-60T)

Park Tool CSH-1 Clamping Spoke Holder Shimano 4 compounds in the treadYour new favorite tool for truing and building wheels. The CSH 1 securely holds spokes in place during spoke tension adjustment to prevent wind up of round and bladed spokes, as well as rotation of straight pull spokes. The versatile head can grip spokes in multiple positions for optimal leverage and hand positioning. Constructed of forged heat treated steel with comfortable dual density grips. Specifications Compatible with round and bladed spokes 2.