
Basic parameters
| Items | Specifications (parameters) | 
| Part No. ( Item number) | RY-SH-5544 (Rene English code) | 
| Dimensions | ∮5.5*4.4mm | 
| Key Hight | ---- | 
| Hardness (product hardness range) | 30A~50A | 
| Colour (color range) | gray, blue, green, orange, customer specified colors | 
| Operating Life (mechanical life) |                                   100,000,000 Cycles        | 
 
 