Self Locking Dolly for clamping and moving slabs

Heavy trolley with two pneumatic tires wheels 13 3/4" x 4" (350mm x 100mm) in diameter or optional pressurized rubber types and self-locking jaws. It is an all terrain trolley. The rubber is vulcanized to the bottom, sides and top sides of trolleys to avoid chipping edges of finished work piece.
M4 model comes with 2 solid rubber wheels.