Adjustable Pallet Lifter - 4000 Lb. CapacityFeatures:Pallet Lifter with adjustable lifting base and adjustable lift bale Converts crane or hoist into aerial forklift Rear guide for operator safety Fork length is 42, adjustable fork spacing from 17 to 36 Manufactured to exceed all ASME B30.20 and OSHA regulations ALL lifting equipment individually proof loaded per OSHA requirements RFID tracking chip equipped