MANIPULATION SKILL LEVELS

Combination locks that I frequently open by manipulation, skill levels and comments


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5
EXPERT

4
SPECIALIST

3
DIESTRO

2
AVERAGE

1
BEGINNER



SENTRY FIRE SAFE
(Early Manufacture)

  • 2.5 Increment progression 
  • 2 Wheels / 1 Driver
  • Brass Wheels
  • No false gates in driver
  • Left 3 - Right 2 - Left 1
  • Fixed drive pins

SKILL LEVEL 3

  • Be very alert when doing the progression, fence and gate relationship is only three numbers
  • Be prepared to deal with high and low areas
  • Turn dial slowly, wheels are prone to skating


SENTRY FIRE SAFE
(Old Manufacture)

  • 2 Wheels / 1 Driver
  • False gates in driver
  • Real gate in driver is wider by two numbers
  • 5 number increment progression
  • Non brass metal wheels
  • 3L - R2 - 1L
  • Fixed drive pins

SKILL LEVEL 1

  • Combination lock manipulates easily.
  • Excellent practice for learning manipulation.


SENTRY FIRE SAFE
(New Manufacture)

  • 2 Wheels / 1 Driver
  • Plastic wheels
  • False gates in driver
  • All gates in driver are same width
  • 4 Number increment progression

SKILL LEVEL 3

  • Follow very carefully the progression chart in order not to skip any number
  • Be well concentrated in the feeling process in order to detect as soon the second number is found
  • The repetitive process of raising and lowering the handle plus the constant turning of the dial is very tiresome


MAJOR BURGLARY CHEST

  • Contact area near 40
  • 3 Wheels / 1 Driver
  • Solid contact points
  • High and low areas are common
  • 2.5 Number increments

SKILL LEVEL 4

  • Removal of the circular pull handle is recommended in order to see better


MAJOR FIRE SAFE

  • 3 Wheels / 1 Driver
  • Contact area between 5 and 15
  • 2.5 Number increments

SKILL LEVEL 3

  • S&G lock is an old model with a fence gate tolerance of 3 numbers
  • Sometimes the contacts feel sticky, as the turning of the dial, due to old grease


PROTECTALL FIRE SAFE

  • 3 Wheels / 1 Driver
  • Flys
  • Contact area near 0
  • Only one contact is felt when dialing left
  • 5 Number increment progression
  • 4 R - 3 L - 2 R - 1 L

SKILL LEVEL - 3

  • Sometimes you have to manipulate for the contact or run test combinations to locate the contact.
  • Be prepared for high and low areas.
  • Excelente para todos aquellos estudiantes que principian sus estudios en manipulación.


MOSLER BURGLARY CHEST

  • 3 Wheels / 1 Driver
  • 4L - 3R - 2L - 1R
  • 2.5 and 6.25 number increments
  • Movable drive pins

SKILL LEVEL 5

  • Plastic faceted manipulation resistant wheels designed to resist manipulation almost standard


SENTRY BURGLARY SAFE
(Chinese Manufacture)

  • 2 Wheels / 1 Driver
  • 2.5 Number increments
  • Metal wheels
  • False gates in all wheels
  • Gates not evenly spaced

SKILL LEVEL 3

  • Wheels are big and rigid
  • Find all gates in wheels first
  • Progression gates last
  • Must have cross key to manipulate


STAR BURGLARY DOOR

  • 3 Wheels / 1 Driver
  • 2.5 increment progression
  • Only one contact is felt when dial is raised at zero, after being pushed in
  • Movable drive pins
  • 4L 3D 2L 1R

SKILL LEVEL 5

  • Dial indicator with magnetic base is needed in order to manipulate it.
  • Dexterity is required when detecting the contact point with the dial indicator.


MOSLER FIRE SAFE

  • 3 Wheels / 1 Driver 
  • 4 Left - 3 Right - 2 Left - 1 Right
  • 2.5 and 6.25 progression increments
  • Movable drive pins

SKILL LEVEL - 5

  • Plastic faceted wheels that resist manipulation efforts are a big possibility on these combination locks.


PROTECTOR FIRE SAFE

  • 3 Wheels / 1 Driver
  • Fixed drive pins
  • 5 number increments
  • Driver has a true gate/real number
  • Right 4 - Left 3 - Right 2 - Left 1

SKILL LEVEL - 4

  • Be prepared to invert the dialing sequence/numbers, sometimes the manipulation takes you an impossible combination
  • Lubrication of the handle is highly beneficial
  • Longest possible pointer recommended
  • Elastic band mandatory

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