WAGO 252-160 10x2 Pole 3.5mm 2A Push Button PCB Pin Strip Terminal...

WAGO-252-Series-3-5mm-2A-Push-Button-PCB-Pin-Strip-Terminal-Block-Grey-WAGO-252-160-P-A-10-x-5-pole-PCB-pin-strip-terminal-block-with-push-buttons-from-WAGO-P-WAGO-252-160-10x2-Pole-3-5mm-2A-Push-Button-PCB-Pin-Strip-Terminal-Block-Grey

Price: 3.28 from Rapid Online Rapid Electronics Ltd.