OMS Complete BCD Cylinder Cam Band with Stainless Steel Buckle A11518042 OMS Standard 91cm � 36 Inch Long B.C.D.- Tech Harness Single Cylinder Mounting Cam Band with all Stainless Steel Quick Adjustment Buckle & Cylinder Retention Friction Pad. 50mm � 2 Inch Wide Heavy Duty Webbing with Velcro Closing & 316 Marine Grade Stainless Steel Buckle & Hinge. Perfect for mounting any size Cylinder with a diameter between 140 & 204mm to any type of B�C.D. or Tech Wing.