Spares

A complete, new, on-off switch assembly compatible will all the original Optonic bite alarm range, fitted to Compact heads, Special Compact Heads, ...

A replacement backplate for your Steve Neville alarms, this will fit all Mk.2, Mk.3 heads perfectly, it will also fit the older heads but with the ...

These are the later type of slotted screw used on the Steve Neville alarms, these are a superior one to the cross heads that often get ruined durin...