If you're here, I've most likely directed you here to choose a switch style or using this to demo footswitch sizes/dimensions.
Here's an shot of the majority of footswitches we currently use:
1 – Short Rounded Momentary Normally Open SPST (fits Barefoot Mini v2 Toppers)
2 – Tall Rounded Momentary Normally Open SPST (fits Barefoot Mini v2 Toppers)
3 – Tall Squared Momentary Normally Open SPST (fits Barefoot Buttons V1 Skirtless Big Bore & Barefoot Buttons V1 Standard)
4 – Tall Beveled Momentary Normally Closed SPST
5 – Tall Squared Latching SPST
6 – Tall Squared Latching SPDT
7 – Standard 3PDT Latching
8 – Lighted 3PDT Latching