BKSHIP328
Brockhage Clear Cross Practice Lock
30 LKCPLC4
$14.99
In Stock!

Fast and Accurate Order Processing

We offer standard, 3 day express, 2 day express, and overnight express shipping options for your convenience. If you place your order Monday - Friday by 2:00 PM EST using one of our express shipping options, your order will be processed and shipped the same day it is placed!

Applies to delivery within the 48 contiguous states only.
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  • Develop cruciform lockpicking skills
  • Cruciform, a.k.a. 4-line cross, Zeiss lock
  • A great way to learn this tricky lock
  • See inner workings through clear shell
  • Advanced lock has cross-shaped keyhole
  • Often found in safes, steering wheel locks
  • If you’re stumped, includes master lock


Whether a beginning lockpicker or a veteran locksmith, everyone needs practice with different types of locking mechanisms to stay on top of one’s game. The Clear Cross Practice Lock is a great way to learn and hone your skills on a four-line cross lock, also known as a “cruciform” or “Zeiss” lock. These advanced locks are often found on steering wheel security bars (e.g. “The Club”) and sometimes in safes, either as the primary locking mechanism or as a backup in case the combination is lost or forgotten. Characterized by their cross-shaped keyhole (looks similar to Philips head screw), these locks are especially secure and tricky to overcome with their extra shear lines. With its transparent shell, the Brockhage Clear Cross Practice Lock allows you to see the inner workings of a cruciform lock and, thus, develop a greater understanding of its operation. It also affords a chance at trial-and-error with no problematic consequences, before attempting to tackle the genuine article. Includes master key.


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