A conveyor system comprising: at least one first side rail a second side rail located above the at least one side rail; and a pallet comprising: a pallet body having a top, a bottom, front and back ends, and sides; and a guiding system operatively attached to the pallet body and designed to abut against the at least one side rail of the conveyor system, the guiding system comprising: a plurality of first directional guides (20A, 20B, 22) that extend above the top of the pallet body, the first directional guides comprising at least one lower guide which is arranged to engage with a side of the at least one first side rail and at least one upper guide disposed above the lower guide which is arranged to abut against the second side rail; and a plurality of second directional guides oriented approximately orthogonally to the first directional guides, wherein the plurality of second directional guides are located on at least one of the sides of the pallet body and are designed to engage an underside of the at least one first side rail. at least one first side rail a second side rail located above the at least one side rail; and a pallet comprising: a pallet body having a top, a bottom, front and back ends, and sides; and a guiding system operatively attached to the pallet body and designed to abut against the at least one side rail of the conveyor system, the guiding system comprising: a plurality of first directional guides (20A, 20B, 22) that extend above the top of the pallet body, the first directional guides comprising at least one lower guide which is arranged to engage with a side of the at least one first side rail and at least one upper guide disposed above the lower guide which is arranged to abut against the second side rail; and a plurality of second directional guides oriented approximately orthogonally to the first directional guides, wherein the plurality of second directional guides are located on at least one of the sides of the pallet body and are designed to engage an underside of the at least one first side rail. a pallet body having a top, a bottom, front and back ends, and sides; and a guiding system operatively attached to the pallet body and designed to abut against the at least one side rail of the conveyor system, the guiding system comprising: a plurality of first directional guides (20A, 20B, 22) that extend above the top of the pallet body, the first directional guides comprising at least one lower guide which is arranged to engage with a side of the at least one first side rail and at least one upper guide disposed above the lower guide which is arranged to abut against the second side rail; and a plurality of second directional guides oriented approximately orthogonally to the first directional guides, wherein the plurality of second directional guides are located on at least one of the sides of the pallet body and are designed to engage an underside of the at least one first side rail. a plurality of first directional guides (20A, 20B, 22) that extend above the top of the pallet body, the first directional guides comprising at least one lower guide which is arranged to engage with a side of the at least one first side rail and at least one upper guide disposed above the lower guide which is arranged to abut against the second side rail; and a plurality of second directional guides oriented approximately orthogonally to the first directional guides, wherein the plurality of second directional guides are located on at least one of the sides of the pallet body and are designed to engage an underside of the at least one first side rail.