A powerful and portable commercial duty post driver. Powered by a GX35 1.3hp, 4-stroke engine. The heavy-duty threaded, slotted steel barrel accommodates Post Master Plus Post, pipe, rod and stakes up to 3 ⅛” diameter. Spin barrel cap offers quick OFF/ON for secure adapter sleeve changes. Included is a PostMaster Plus Drive Cap and 2 ½” solid industrial grade, poly adapter sleeve. Additional adapter sleeves are available in ½”, ¾”, 1”, 1 ¾”, 2″ & 2¼” sizes. For optimal performance choose the correct sleeve based on size of post, pipe, rod or stake you will be driving. No fuel mixture is required. Use premium gas for superior performance. This post driver is 100% self-contained, easy to lift, move, and carry. No hoses or compressors are required. Drives posts in half the time with less physical effort than with a manual driver. Assembled and serviced in the USA. Comes complete with a sturdy, poly carrying case, engine oil, extra lube, PostMaster Drive Cap, 2 ½” adapter sleeve; and a tool kit.