See photos tested the advance knob works also
Sears Clamp On Inductive Timing Light Timing Analyzer L@@K!
Vintage Sears Clamp On Inductive Timing Light Timing Analyzer wBox 92137
Sears Clamp On Inductive Timing Light Timing Analyzer
Vintage Sears Clamp On Inductive Timing Light Timing 92137 2137 With Box
Sears Clamp On Inductive Timing Light Leads Clamp 9-2137
Sears Clamp On Inductive Timing Light With Clamps Auto 21684 Vintage UNTESTED
