Uaoaii Electric Caulking Gun, 21V 10oz/300ml Cordless Caulk Gun Adhesive Gun w/a 2.0Ah Li-Battery, LED Light, 4 Adjustable Speeds Drip-Free Caul Gun for Filling, Sealing (Blue). Outstanding Battery Life: Our battery-powered operated caulking gun is equipped with a 21v 2.0ah lithium-ion battery which allows continuous lasting for 200 glue sticks.
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