- Contact Diameters: 3/16" (5mm).
- Contact Lengths: 1.1/2" (38mm) & 3" (75mm).
- Gauge Diameter: 1.5/8" (41mm).
Compact gauge, reads timing without removing fuel tank. Designed for the cramped quarters on many motor cycles. 14mm Adaptor has locking collar for adjusting indicator. Complete with two contacts.