RAM® Tough-Claw™ Small Clamp Mount with Garmin Spine Clip Holder RAM-B-139U-A 3mm and the thread length

3mm and the thread length is 10

it is important to verify the dimensions of your handheld device with a case/sleeve/skin when determining the overall size

or a mounting drill-down base

The camera plate provides extra support and stability for cameras that rest on top of it

RAM® Tough-Claw™ Small Clamp Mount with Garmin Spine Clip Holder RAM-B-139U-A 3mm and the thread lengthThe RAM Spine Clip holder is a mount adapter that easily clips into the integrated spine connection on a wide variety of Garmin devices. With the RAM Tough Claw base, you can easily attach Garmin spine mount to round, square, and odd shaped rails and bars ranging from . 625 to 1. 14 in outer diameter.