Features: Double Action/H:0.6mm 

Dimensions: 4.1x4.3mm

Features: Double Action & Lever 

Dimensions: 7.0x7.0mm

Features: Push & Lever 

Dimensions: 11.3x9.3mm

Features: 4-Direction (& Center Push) 

Dimensions: 7.7x7.4mm

Features: 5-Direction 

Dimensions: 9.3x9.3mm