đ Commercial Lever & Ball Knob Tailpieces â Length Comparison
Shown in the photo: three different commercial tailpiece lengths, commonly used with lever handles and ball knobs.
đ Left to right
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Short tailpiece â For thin doors (metal, aluminum, narrow stile doors)
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Standard tailpiece â Most common size for commercial wood & steel doors
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Long tailpiece â Thick doors, storefronts, retrofits, or special installations
â ïž Why length matters
Using the wrong tailpiece length can cause:
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Hard or stiff turning
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Lever not returning properly
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Lock binding
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Premature failure of the handle or lock body
đ ïž Professional locksmith tip
Tailpieces must be:
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Correct length
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Proper style (flat / square / IC-compatible)
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Aligned and tested after installation
At Serrurier Shay Locksmith 24/7, we donât guess â we measure, fit, and verify every commercial installation.
đ MontrĂ©al
đ 514-836-9097
đ§ info@serruriermontreal.com
Need the right tailpiece for your commercial door? Call a pro.




