Transmission ratio: 142/14=10.14 140/16=8.75
Pointer shaft span: 13.3
Module: 0.15
Length of shaft extension: 3.9
Distance between centers: 9.4
Distance between holes: 7.2
Taper ratio: 1:50
Hole diameter: 2.1/2.7/3.0
Material of pointer shaft: Lead brass / Stainless steel
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