Operate is simple and, can be used without complicated process The ratchets wheel can be adjusted 180 degrees, and can be easily fixed or loosened by turning the handle Make from marine grade 316 stainless steel, which is not easy to rust, seawater resistant and enduring universals fits for 25.4mm / 1inch or 22mm / 0.87inch pipe or tubes High, great accessories for marine boat, yacht and so on, Manufacturer: Kelisdi