2 Ea. one in front of and one behind the most secure wheel / surface. First thing down last thing up.
These are sturdy and a good value. Put a 12-18" piece of stout rope on the eye-bolt (tighten the nut). You'll get yrs of service.
DRV Suites ES-38RSSA #9679
GM Denali 3500HD-Max 4x, CC, 8' DRW
EZGo-TXT, Yamaha-G22E, CC Precedent