Mikalor ASFA-S W4 - 12 mm hose clamp DIN 3017 with M6 mounting nut | IQ-Parts-Shop
Dixon Sanitary 13MHHM-SN Series Single Pin Heavy Duty Clamps w/ Serrated Wing Nut - John M. Ellsworth Co. Inc.
304 Stainless Steel W4 Mini Hose Clamps (Pack of 10) - Select Size
10 - 12 mm Hose Clamp with a Galvanised Steel 9 mm band [10 Pieces] | Tameson.com
Amazon.com: CHUNYUNGDA TT Heavy Duty Hose Clamps-Clamping Hose OD 17-19 mm, Stainless Steel Solid T-nuts, Band and Screw for 3/4 inch Transmission (0.67-0.75 inch,4 pack) : Automotive