Product Details
These ILCO R1001EL key blanks (also known by the SK4 profile) are premium replacements for 7-pin Corbin cylinders. Made in the USA from durable nickel-plated brass, these key blanks are trusted by locksmiths for accurate duplication and compatibility with high-use lock systems.
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Genuine ILCO brand key blanks
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Made in the USA
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7-Pin configuration
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Nickel plated brass construction
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SK4 / R1001EL profile
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Pack includes 10 uncut key blanks
Manufacturer Equivalents
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Curtis: SK-4, SK4
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Dominion: R01EL, RO1EL
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Ilco: R1001EL
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Jet: SK4
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JMA: COR-161D, COR161D
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Original: X1-77-7
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Orion: GLB16L
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Silca: GL7R
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Star: 7CO5, 7C05
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Taylor: R21EL
Key Cutting
This is an uncut key blank that requires cutting to match your existing key. It can be duplicated on standard key machines found at most locksmith shops and hardware stores.
Compatibility
The ILCO R1001EL / SK4 key blank is compatible with many Corbin 7-pin lock cylinders, often used in commercial, institutional, and high-security environments.
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Compatible with most 7-pin Corbin systems
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Common in legacy institutional hardware
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May be marked with “R1001EL” or “SK4” on original key heads
