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The PRIME-LINE MP9158 is a brass spring door stop designed to prevent doors from swinging too far and contacting walls, baseboards, or other surfaces. The spring mechanism absorbs impact and returns to position, providing lasting protection without requiring adjustment after installation. Sold as a single unit, this door stop suits residential interior doors and is a common replacement or upgrade item for builders, contractors, and maintenance professionals handling door hardware.
The MP9158 is suited for residential applications where a low-profile, floor-mounted or wall-mounted spring stop is needed to protect finished surfaces. Its brass finish coordinates with standard hardware finishes found in homes and light commercial spaces. This type of door stop is a routine item in renovation, new construction punch-out work, and property maintenance.
Designed as an OEM-style replacement or new-install spring door stop for standard residential interior and light commercial door applications.
Installation is typically performed by carpenters, general contractors, or maintenance technicians. Secure the stop to a solid substrate such as a floor or wall stud for proper anchoring. Use appropriate fasteners for the mounting surface material. No special tools or code permits are generally required for door stop installation.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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