SCI R17-10 Black Safety Cap For R13-5, R13-28, R13-404, R13-61 Series

SCI R17-10 Series Safety Covers for Standard Toggle Switches - SCI R17-10 Black, A hinged protective plastic cap to help prevent accidental operation of standard toggle switches. SCI R17-10 Black Safety Cap For R13-5, R13-28, R13-404, R13-61 Series

Price: £ 3.29 from Rapid Online Rapid Electronics Ltd.