We, Shijiazhuang Fortune Industrial & Trading Co., Ltd. supply Air Hose Claw coupling from China as follows:

European Type including hose End, female and Male,size from 3/8" to 1"

U.S. Type including Hose end, Female and Male,size from 3/8" to 1"

Double bolt hose clamps:size range from SL-22----1125 inch.