Description
1 inch diameter and a rubberised joint. The ball is attached to a square base of 2″ x 1.7″ and is made of solid marine grade aluminium with rubber-coated ball joints, compatible with RAM Mount 1″/25mm mounting arms and compatible with all industry standard 1″/25mm mounting arm. There are four pre-drilled holes in each corner of the base universal 1.5 x 1.188 (hole spacing) hole pattern, typically compatible with RAM mount and other 25 mm/1 inch double ball seats/arms according to industry standard. Features:30x38mm Industrial Standard 4 Hole Pattern (=AMPS) for use with all industry standard AMPS adapter plates and vehicle-specific mounts.Suitable for motorcycle phone holder, bicycle phone holder, motorcycle satellite navigation frame, GPS mounted car. Transition: 1cm=10mm=0.39inchPlease allow 1-3mm error due to manual measurement. Please make sure that this is not a problem for you before purchasing. Due to the difference between different monitor settings, the image may not reflect the actual colour of the product. Thank you! Package Includes:1 x Square Ball Head Mounting Base