Germany type worm drive hose clamp Germany type worm drive hose clamp Size DS01A12 DS01B12 DS01D12 DS01E12//mmItem no. DS01A12Item no. ... galvanized steel, others are 430ss/200ss or other kinds of stainless steelDS01D12---12mm,W4,301ss/304ss.12mm bandwidth, W4, all ... 301ss/304ss;DS01E12---12mm,W5,316ss. (12mm bandwidth, W5,all 316ss.),.According to the requirement of customers, ...