Robotwist adjusts to fit any jar sizes and guarantees a firm grip around lids. Easy to use: Position it on the lid, press the easy-switch button, and watch it rotate and uncap. Its so easy even kids can use it. Energy efficient: Robotwist uses very little energy (uses 2 pcs AA Batteries). Compact: Compact and versatility in 1 user friendly kitchen device. Size: 7.2 inches Long; weighs 0.80 lbs.
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