Handheld 2-in-1 Refractometer (available in with or without box) bolt in The drone maintains its position

The drone maintains its position accurately even in wind

and adhesives

Two-color versatility: white flood for tasks

This material choice delivers quieter operation and less maintenance over time compared with metal hubs

or replace with confidence—this Disc-Braked Early Model Hub offers a durable

Handheld 2-in-1 Refractometer (available in with or without box) bolt in The drone maintains its positionThis 2 in 1 handheld refractometer is designed for measuring both sugar (Brix) and salinity concentration with precision. Ideal for brewing, winemaking, brine testing, and fruit analysis, it provides instant and accurate readings. Equipped with Automatic Temperature Compensation (ATC), it ensures reliable results regardless of ambient temperature changes. Compact, lightweight, and easy to use, its the perfect tool for professionals and hobbyists