- Malvern, Arkansas, United States
- US $24.99
- Jan 29th
Digital Contact Tachometer Cen-Tech Item 66400 by Harbor Freight Pre-Owned RPM range: 2.5 - 19,999 Memory mode with Min, Max, and Last value displays Accurate to +/-0.05 plus 1 RPM Surface speed reading in feet/minute or meters/minute Runs on four AA batteries or an AC adapter (sold separately) Tested, Great Working Condition, Needs a new b