Panel cut-out: 6mm.
eBay
5Pcs/Set 12V On-Off Control LED Light Round Rocker Toggle Switches Waterproof Dot Switch Car Pushbutton Switch
Aliexpress UK
CCC, CE, TUV approved. 12mm panel cut-out.
eBay
20/50/100 SK12D07VG SK12D07 Toggle Switch 3PIN PCB 1P2T Slide Switch Handle Miniature Slide Switch Side Knob High 2/3/4/5/6/7mm
Aliexpress UK
CCC, CE, TUV approved. 12mm panel cut-out.
eBay
2 Pin SPST Push Button Switch ON/OFF Round Rocker Switch MINI Toggle Switch 12V 24V 20MM with Wires for Auto Car Boat RV
Aliexpress UK
The switches provide a low cost solution for applications including automotive. 12.2mm panel cut-out. On-Off action.
eBay
5/10Pcs Rocker Switch ON/Off SPST 2Pin Latching Toggle Switch Snap Boat Car Round Switches Pre-Wired 6A/250V 10A/125V AC
Aliexpress UK
Relay Holders Bases. Cable Clip. A toggle switch without any LED colour. Relay Holders and Bases. 2 Position Toggle Switch. A Toggle Switch with either a Red, Green, Blue, Yellow, White LED. Information Centre.
eBay
10Pcs Round Rocker Switch Black On Off 2 Pin Mini Round Toggle Switch 3A 250V 6A 125V 15MM Circle Switches for RV Car Truck Boat
Aliexpress UK
Maximum current: 15A. Panel cut-out: 28 x 10mm. Snap-in mounting.
eBay
7Pin Mini Slide Switch On-OFF 2Position Micro Slide Toggle Switch 1P2T H=1.5MM Miniature Horizontal Slide Switch SMD
Aliexpress UK
Panel cut-out: 12.2mm. Function: On-On.
eBay
New MINI Toggle Switch 2 Pin SPST Push Button Switch 12V 24V 20MM ON/OFF Round Rocker Switch with Wires for Auto Car RV Boat
Aliexpress UK
eBay
12PCS Mix Colour On-Off Control LED Light Round Rocker Toggle Switches Waterproof Dot Switch Car Pushbutton Switch
Aliexpress UK