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The Dremel 3100 is a corded rotary tool with a 1.2 amp motor and five variable speed settings from 5,000 to 35,000 rpm. It handles cutting, sanding, polishing, carving and grinding, and its airflow system runs cooler than the 3000 it replaces. It suits hobbyists and light household repair work who want steady corded power without battery limits. Against cordless Dremel models it never needs charging, but it is tethered to an outlet and its 15-piece kit is a starter set rather than a full workshop.
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Lowest price we've seen: $49.97 on Nov 10 at Walmart. Tracked across 1 store since Nov 10.
Owners describe a solid, reliable tool that feels good in the hand and handles a range of jobs. Most praise the true variable speed and the starter bits, though several say the included accessories run out quickly.
The Dremel 3100 is a corded rotary tool with a 1.2-amp motor. It is used for cutting, sanding, cleaning and polishing, carving and engraving, and grinding and sharpening. The motor has 33% more power than the Dremel 200.
The tool has five variable speed settings from 5,000 to 35,000 rpm. It has an ergonomic design with a textured plastic grip and a flexible 6-foot cord. An air flow system and upgraded ventilation panels keep the tool 10% cooler than the Dremel 3000.
The housing is made of recycled plastic, and the kit comes in a fully recyclable carton. The kit includes 1 attachment and 13 accessories.
