LAKE 's DDZ series elevators are center latch elevator with 18 degree taper shoulder, applied in handling the drilling pipe and drilling tools, etc. The load ranges from 100 tons to 750 dons. The size ranges are from 2  3/8to 6 5/8 . The products shall be designed and manufactured according to the requirements in API Spec 8A/8C Specification for drilling and production hoisting equipment.