This Makita hammer drill uses drill chucks with a keyless system. It runs on a rechargeable battery, so it's completely cordless.
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Makita DHP484RTJ 18v LXT Brushless Combi Drill 2x 5.0ah Batts
Tool Station
Makita DHP484RTJ 18V LXT Cordless Brushless Combi Drill 2 x 5.0Ah
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