Quick Fix Golf Trolley Mount fits Golf Buddy PT4 Platinum (sku 21201) The Quick Fix clamp base attaches easily to almost any style of frame, bar & rail. Fits bar with a diameter between 20mm - 40mm. Ideal for oval & round frames. Wide opening jaws - up to 40mm. Jaws have a ribbed liner to eliminate slip, protect frame and reduce vibration. Tightening screw with securing lever holds firmly to the bar. 360 degree swivel No tools required to fit - completely removable Fit & remove in seconds. Substantial sized cradle offers secure support. Push button release arms. Retaining lip prevents GPS slipping forward. Light-weight yet strong.