German style hose clamp, good quality hose clamp, but with lower price is the most popular hose clamp. German style hose clamp Bandwidth 9mm and 12mm. This kind of clamp is with non-slotted band. It is good to clamp many types of pipes. Regarding the material, it can be divided into the following four types: W1-- all of the housing, screw and band are silvery or golden color galvanized steel; W2-- screw is galvanized steel, other parts are 300ss stainless steel; W4-- all of the three parts are 300ss stainless steel; W5-- all of the three parts are 316ss stainless steel. The smallest size of German type clamp is 8-12mm, any size that is bigger than 8-12mm is available for us.