In stock


Stronghold hitchlock for Knott, Steelpress & Winterhoff hitches

  • Universal fit, suitable for at least 44 coupling models and variants
  • High security patented locking system
  • Suitable for braked and unbraked trailers, horseboxes, car transporters etc
  • Approved to Sold Secure Gold standard for caravans and trailers
  • Approved by Secured by Design
  • Patent pending design
  • Lock fits between handle and main coupling body to completely block coupling use
  • Immobilises hitch to prevent tow-away theft
  • Fitted in under 10 seconds
  • High security pick-free locks have thousands of possible key combinations and are supplied with 3 keys, plus a key identity tag
  • Storage bag included
  • Supplied in a retail display box with colour pictorial instructions
  • Please scroll down to see full application list

Contents Include

  • Hitchlock cover
  • Locking bolt body
  • Locking bolt lock holder with three keys
  • Plastic hitch ball & tee assembly - SH54106B
  • Fitting instructions and warranty card
  • Storage bag

Application List


K7.5 C, D, K, L
K14 A, B
KK14 B, C
KQ14 A, B
K20 A, B

Steelpress (SSP)

ZSK-750 A, B, C, D, L ,H i
ZSK-1300 C, E, F, K, H, i
ZSK-1700 B, C, D, E
ZSK-2000 B, C
BC2300 B, C
BC3000.1 A, B, C, D


WW8 A, B, C, D, E, G
WW150 VF

SH5410 Fitting Application Guide

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You're reviewing:SH5410 Stronghold Strongbox Ultra Hitchlock for Pressed Steel Hitches

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Stronghold Security Products:

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Our Stronghold Security products carry a 12 months mechanical defect warranty, plus an extra 4 years if you complete our warranty form within one month from date of purchase

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Stronghold security products have been passed stringent attack tests from independent test houses, these include Sold Secure, VCM and Secured by Design.


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