2010 GMC C6500 Truck - 16ft Box (Grip Truck)
$400/day$1,200/wk

A moulded shim for levelling dolly track — it slides under low spots and track joints, and stacks with itself when the floor is badly out.
Leveling dolly track — the humble wedge that makes the Dutti Dolly roll silk-smooth on real-world floors.
Slip under track joints and low spots; check with a bubble level.