thumb turn

Isaac Kremer/ November 23, 2025/ / 0 comments

A small, knob-like component on a lock that is operated by the thumb and fingers to project or retract a deadbolt or latch. It allows a door to be locked or unlocked from the inside without a key, and is commonly used for privacy on interior doors like bedrooms and bathrooms. (Kremer, 2025)

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About Isaac Kremer

IsaacKremer.com is the personal website of Isaac Kremer, MSARP, a nationally recognized leader in the Main Street Approach to commercial district revitalization with over 25 years of experience. Kremer, New Jersey's first certified Main Street America Revitalization Professional (MSARP), has served as founding executive director for organizations like Experience Princeton and the Metuchen Downtown Alliance, which won a Great American Main Street Award under his leadership. He recently became director of the Royal Oak Downtown Development Authority in Michigan.

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