RAM® Double Ball Mount with Key Lock Knob - C Size Long Drill-Down The square post clamp will

The square post clamp will wrap around a sqare post with a maximum width of 4" and is tightened by screwing the two plates together with the included nuts and bolts

they allowing for your laptop to close completely while in the tray

the ultimate in rod holder functionality and adjustability

washers and tightening knob

5" diameter) balls

RAM® Double Ball Mount with Key Lock Knob - C Size Long Drill-Down The square post clamp willThe RAM 101 DL locking mount consists of the long arm 1. 5 inch diameter ball and socket system with universal round base ends. This mount is designed to be a universal mounting solution for both RAM and non RAM designed products. Each plate includes a hole pattern that matches the standard AMPS four hole pattern and a three hole 120 degree hole pattern.