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Lockey OSK - Oversized Knob for Lockey Knob Handle Locks

The Lockey OSK is a keypad knob that fits over the round flat knob on Lockey 2000 and 2900 Series locks, making it much easier to grab and turn, especially for children and elderly people whose hands are not as strong as an adult.

Product Dimensions chart for


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Starting at: MSRP: $14.99

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Select the Options You Want:

Some colors are not available on all locks.

Lockey Colors
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1 This table shows the starting price, not including any additional options.

2 The additional cost of options selected (if any) are not discounted.


  • BOLT TYPE: deadbolt (must be locked manually); hook bolt (must be locked manually); mortised dead-locking latchbolt (locks automatically); rotating flat bar deadbolt (must be locked manually); slide-bar deadbolt (must be locked manually); spring-loaded latchbolt (locks automatically).
  • DOOR TYPE: for chain link fence gates that swing on hinges; for exterior gates that slide; for exterior gates that swing on hinges; for interior doors that slide, like sliding doors and pocket doors; for interior doors that swing on hinges; for interior or exterior doors that swing on hinges; for narrow-style commercial doors on hinges.
  • FINISHES: antique brass; bright brass; jet black; satin chrome; satin nickel.
  • HANDING: reversible (can be installed on left or right side).
  • HANDLE: round, flat knob on outside.
  • INSTALLATION: slide over existing knob and tighten set screw on bottom side.
  • KEY OVERRIDE: not available.
  • NETWORK: none (standalone).
  • POWER REQUIRED: none, this product is 100% mechanical and uses no power.
  • PRODUCT LINE: Lockey 2000 Series; Lockey 2900 Series.
  • USAGE: commercial; residential.
  • WARRANTY: Life-Time Mechanical Warranty unless ordered with a key override built-in to the knob.
  • WEATHER: weather-resistant.


  • The Lockey Oversized Knob is compatible with the Lockey 2200, 2210, 2230, 2500, 2900, 2950, both single and double-sided keypads as well as panic bar locks.
  • It is not compatible with Lockey locks have a built-in key override.
  • It is not compatible with Lockey lever handle locks, Lockey M-Series locks, or Lockey C-Series locks.


  • One size only: 1-3/4" diameter x 1-1/4" deep.


  • The Lockey Oversized Knob may be used on the outside of a single-sided lock, on the inside of a double-sided lock, or in both places if you have two of them.
  • It is secured with a set screw which is tightened with an Allen wrench (included).
  • When installed, a Lockey Oversized Knob makes the replacement doorknob approximately the same size as a Lockey lock with a built-in key override.

Matching Finishes

  • The Lockey Oversized Knob is usually ordered to match the finish of an existing Lockey lock, but you may use any color you wish—they are all interchangeable.

Life-Time Mechanical Warranty 30-Day Money Back Guarantee All Weather All Mechanical-needs no electricity
Google Product Category: 503730 - Hardware > Locks & Keys > Locks & Latches