Editing Scuba set (section)

=====Cam bands=====
{{anchor|camband|camstrap|cam buckle|cam strap|cam band}}
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[[File:Stainless steel cam buckle PB070436.jpg|thumb|left|upright|Two cam bands holding a cylinder to a backplate]]
[[File:Plastic cam buckle PB070451.jpg|thumb|Plastic cam buckle tensioned]]
The combination of webbing strap and cam action buckle that is used to secure the cylinder to a [[Buoyancy compensator (diving)|buoyancy compensator]] or backplate is known as a cam band or cam strap.<ref name="Dive Rite" /> They are a type of tank band,<ref name="Leisurepro" /> which includes the stainless steel straps used to hold twin cylinder sets together.<ref name="Dive Rite doubles" /> They generally rely on an over-centre lever action to provide tensioning and locking, which may be modified by length adjustment slots and secondary security fastening such as [[velcro]] to hold the free end in place. Most cam buckles for scuba are injection moulded plastic, but some are stainless steel.<ref name="Dive Rite" /> Many recreational scuba harnesses rely on a single cam band to hold the cylinder to the backplate. Other models provide two cam bands for security. A cam band can also be used on a sling or sidemount scuba set to attach the lower clip to the cylinder.