Large mops for floor cleaning Commercial Industrial microfiber Mop Long Handle allows you noneed to bend your back Dust Mop for hardwood floors 36" Commercial Industrial Cotton Floor Dust Mop with extra 3 Mop Refill Pads 61 Inch Long Handle Commercial Industrial microfiber Mop Aluminum Handle Telescopes Ranges from 50" to 61" Long. wet dry mop Allowing it to Reach Under Objects or Adjust to Various User Heights. You should be careful to install the two side plates into the main plate, and there is a lock on the handle that you can adjust the length of the pole. Double safety design of mop handle, double lock no need to worry it’ll come apart during mopping. On any types of surfaces in one wipe. wet dry mop SAVE your time. Easy to clean narrow areas. Cleaning Industrial/Commercial/Residential large area. The very top piece (with the rubber hand grip) is extendable To attach the handle to the middle section,you have to release and extend the pole of the handle section. Just twist to loosen the telescopic feature.Extend the pole and then it will thread in just fine.Its professional clip design tighten the adjustable handle,Double safety design of mop handle no need to worry it’ll come apart during mopping. Just pull the skinny inner metal tube out from the bigger (outer) metal tube. This will extend the smaller (inner) tube enough that it will expose the threaded end and you can thread it on to the rest of the mop pole. But if you don’t extend it first (slide it out like a pirate’s telescope) there is not enough sticking out to thread it on the other pole. Perfect for all types of surface areas including office floors, shopping mall floor, hospital floor, restaurant floors, garages, warehouses, hard wooden floor, Laminate, marble floors, tile floors, cement floors, ets. Cotton mop head size is 39.3" when fully spread out. Commercial Industrial Cotton Mop includes: · 3*Metal pole · 3*Microfiber mop refill&pads(in total) · 2*Aluminum frame · 1*Main plastic frame · 1*Instruction