I read the installation guide, then I had to find out for myself. But when I got it I only had to tighten it twice. Note: They don't always use the same sized set screws, I had to use 2 small ones and one medium. But now it's great.
2Buyshop 2 Pack Car Tissue Holder - PU Leather Napkin Box For Sun Visor & Backseat - Black
28 Review
Gray Multi-Functional Portable Steering Wheel Tray For Car Laptop And Food - Vehicle Seat Mount Table For Notebook, Eating, And Working On The Go
43 Review
Transponder "T-Pass" TRP-4010 AVTODOR TOLL ROADS, black
46 Review
Simplify Your Car Organization With Sposuit'S Collapsible Trunk Organizer - 11 Pockets & Reinforced Handles For Easy Grocery And Cargo Storage! (Grey)
27 Review