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Facility Hand Tools Pliers & Cutters Specialty Pliers Proto PTO577-190

Proto Ergonomics™ Safety Wire Twister Pliers

Item # PTO 577-190 by Proto (Mfg. Part # 577-190, UPC # 662679030124)


  • Heat-treated cutting edges
  • Holds wire securely and resists kinking
  • Easy access to confined, restricted areas
  • Cuts stainless steel wire
  • Automatic spring return speeds operation and reduces fatigue
  • For aviation and other applications where vibration may cause fasteners to back out

  • Overall Length : 8 3/8 in

  • Wire Diam : 0.020 in [Min], 0.041 in [Max]

  • Jaw Shape : Straight

  • Jaw Type : Diamond Serrated

  • Material : Alloy Steel

  • Weight : 0.59 lb

PTO577-190 - ProtoErgonomics™ Safety Wire Twister Pliers
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Retail Price: $144.06
BettyMills Discount Price: $106.71 Each
Order 3+ and Save an Extra $2.13 Each
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