Graco 236754 Power Star™ Series 1:1 Universal Size Hydraulic Powered Oil Pump 48"Length The edges of these pans Size:841 The edges of these pans are beveled to prevent them from digging into the concrete while their Z clip design helps keep the pans secure to your Power Trowel as it's being lifted or moved Extra large cast iron table with retractable extension wing provides additional work piece support ice free performance at maximum pressure and low flow rates and are up to three times more energy efficient than comparable compressed air systems Built In Reliability Self lubricating vertical design for long life and reliable operation in high vibration environments