Yoke 40 - GPS SatNav Motorcycle Yoke Nut Cap Mount (sku 16717) Yoke 40 - Motorcycle Yoke Nut Cap Mount with IPX4 Waterproof Zip Case for 3" & 4.3" size screen GPS SatNav devices (measure screen diagonally). Suitable for leading makes including TomTom, Garmin, Navman, Mio, etc. A unique alternative mounting option - The yoke nut cap mount base replaces the yoke cap or nut. (See compatibility list below). Positions your SatNav centrally in the perfect viewing position. British engineered - made from High Tensile Anodised Aluminium solid billet. 360 tilt & swivel adjustment. Yoke Nut Base Fits: Size 28mm; Thread Pitch 1.00mm; Socket Size 35mm; Colour Black; Height 50mm. Includes the IPX4 standard waterproof case which is designed to securely hold the SatNav and protect from water splashes, light rain showers & dirt. Case fits devices max size: 13.2cm x 8cm x 3cm (5.2" x 3.15" x1.19") approx. Case has clear touch sensitive lens allowing access to SatNav; water resistant zip; cable access (charger not included). The case comes with support pads to enable devices of varying sizes to be inserted & a brass security screw. Supplied: 1 x Yoke 40 cap mount base; 1 x IPX4 GPS zip case with support pads; 1 x 2-prong adaptor. Fitting - tighten to manufacturers torque setting.