Custom Size Polyethylene Crane Outrigger Pad, Heavy Duty Mobile HDPE Crane Outrigger Pads are available in many different sizes, capacities and types from HNOKAY. Crane Jack Outrigger Pads is nstructed from durable HDPE high density polyethylene and is 1/2 the weight of rubber, 1/8 the weight of steel, durable than wood.