Kuryakyn 1788 Tech-Connect Perch Mount Kit Perfect for iPhone&#174;! Easily mount and secure an iPhone&#174;, iPod&#174;, smartphone, GPS or small device in just seconds. An adjustable swivel head allows movement for perfect positioning and disconnects in seconds!Standard Device Kit includes: Standard Tech-Connect device holder and standard accessory mount. This kit will fit devices measuring 1-5/8" to 3-5/8" wide.Large Device Kit includes: Large Tech-Connect device holder and standard accessory mount. Fits devices measuring 3-5/8" to 6" wide.Mounts are all universal fit for clutch or brake perch mounting bolts with vertical spacing center-to-center of 1-1/16" to 1-9/16" apart to accept included M6 x 1 or 1/4"-20 bolts.Note: Kuryakyn part number: 1788.