OMS Stainless Steel Band for 190-204mm Diameter Cylinders A16900304 OMS Marine Grade AISI304 Stainless Steel Hi Grip Clamp Band to go around Cylinders with a Diameter between 190 & 204mm. Total Length of 760mm, 12.6mm - 1/2 Inch Wide. Fully Adjustable using a Screwdriver or Long Reach Socket.