PK-OP1 Enclosed is to be used in enclosed trailers. This product includes: 1 Backpack Blower Rack (Lockable) 1 Beverage Cooler Rack 1 Line Holder Rack Assembly hardware. (Equipment/tools not included) Backpack Blower Holder : The backpack blower holder is designed to securely hang your blower at its grab handle. Just hang your blower from the hook and then fold down the steel arm. Once the arm is properly positioned over the hook, you can lock it in place. If you have a STIHL BR380 or BR420, it requires PK-STIHL420. If you have STIHL BR550 , BR600, Echo and Redmax models it requires PK-STIHLECHO (Adapters sold separately, please call or email if adapter is needed).Beverage Cooler Holder : The beverage cooler rack consists of a steel frame that supports the weight of a cooler and two adjustable straps to hold it in place. This rack is designed to hold a 3 or 5-gallon, round cooler or pesticide sprayer. Trimmer Line Holder : The line holder can hold a 3 or 5 pound spool of trimmer line. Just slide the spool onto the center rod of the holder and then hook the rod back in place. Now your trimmer line is securely stored and easily accessible for quick, painless unwinding directly from the spool.