STKL BU Pushbutton key switch cap by C&K. Series: Digitast STKL (wide button with 1 x LED hole) Golour : Blue Download C&K SERU STKL BU datasheet: Status: NOS (New Old Stock) supplied loose RoHS compliant: YES ***Note: these are a key cap only, see SERU AU OA BRAUN for switch body below ***