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OPTISOK, Medium, 0.25"–0.8" (0.64–2.03 cm)

Get a grip! Pull cables easily through conduits.


Please call 877-877-2269 for a replacement product or part.
LIFETIME DoubleDiamond™ Warranty (Standard)

Product Features

  • This flexible sleeve attaches easily to pulling lines and fish tapes.
  • Pull terminated fiber optic cables, jumpers, and bundles of twisted-pair cable.
  • Choose from three sizes (FT351, FT352, FT353) to pull small to large bundles of cable.
  • Guaranteed for life!


  • Flexible, nonmetallic sleeve expands to grab and pull cables through restricted spaces.
  • Grips the cables firmly, so you can attach the ring to a pulling line.

  • Tech Specs

    CE Approval Yes
    Dimensions 31"L (78.7 cm)
    Maximum Working Load 40 lb. (18 kg)

    * Technical specification weight is the unit weight. It is not the packaged shipping weight. For shipping weight, please contact Black Box customer service at 877-877-2269.




    Double Diamond Warranty Diamond

    Double Diamond™ Warranty (Standard)

    Take the risk out of equipment purchases with the Double Diamond™ Warranty from Black Box Network Services.

    The Double Diamond Warranty is our warranty that protects your Black Box® brand products* from accidental damage, including drops, water, and power surges.

    The OPTISOK, Medium, 0.25"–0.8" (0.64–2.03 cm) comes with a standard LIFETIME warranty already included.

    During the warranty period, Black Box Network Services will repair or replace your damaged equipment within one week of receipt at NO CHARGE!*

    Plus, get an Extended Double Diamond Warranty.

    You can also extend your warranty or protect a previously purchased Black Box® brand product** for an additional year—for only 10% of the purchase price! Or, extend your coverage for a full three years for only 20% of the purchase price!

    Ordering an extended warranty is easy: When viewing a product in your shopping cart, just select the one or three years of additional coverage in the dropdown menu under “Warranty Options.” For details, contact Customer Service at 724-746-5500.

    * Warranty subject to certain exclusions and limitations ** Certain products may not be eligible.

    What’s more, we also have a 45-day return policy. Simply call Customer Service for a Return Authorization (RA) number, return your product in new condition and in the original package, and receive a full refund.