Small Black Dots
Electronic stylus calibration gauge

A calibrated turntable should be a priority for any vinyl dj. With this stylus gauge you can make sure the tonearm of your turntable is correctly calibrated according to the tracking force measured, and if not you can ajust the weight until all is perfectly calibrated. (batteries are not included)

Electronic stylus gauge
• Auto calibration with included 5g weight
• Backlit LED digital display (4 digits)
• Auto-Off: 60 seconds
• Slide-off cover
• Includes leatherette protective carrying case
• Requires two AG12 1,5V (LR44) lithium batteries (not included)
• Max Capacity: 5g
• Precision: ±0.01g
• Operating range: 0-40º C
• Weight: approx.. 1.75 oz.

See also this usefull guide: https://thevinylfactory.com/features/how-to-balance-your-tonearm-a-step-by-step-guide/