6x Small Bayonet SBC B15 To MR16 GU5.3 Light Bulb Adaptor Lamp Converter Holder

6x Small Bayonet Cap (SBC) [B15] To MR16 (GU5.3) Light Bulb Adaptor. This adaptor allows you to use a MR16 GU5.3 light bulb in a Small Bayonet lamp socket. MR16 (GU5.3) female. Small Bayonet Cap (SBC) [B15] male to.