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Drill/Driver 101: How to Use a Variable-Speed Trigger

Pro tips on using the switch to better control drilling and screw driving

In the fourth Drill/Driver 101 video, This Old House contributor Mark Clement tells you everything you need to know about making use of your drill's variable-speed trigger. Find out how to "goose" the trigger like a pro and other tricks you won't learn from the owner's manual.

Learn how to:

• Utilize the drill's variable-speed trigger

• Get better control when driving a screw

• Switch between on and off speeds

• Modulate or goose the trigger to avoid damage

• Drive a screw properly