Dimension
Identification
5.88-5.68 mm (0.231-0.224 in)
A
4.99-4.76 mm (0.196-0.187 in)
B
4.10-3.90 mm (0.161-0.154 in)
C
Use a backing plate which gives the correct travel. The travel should be 2.10-0.90 mm (0.083-0.035 in).