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“Expert” set of 5 dielectric one-side spanners

model : НИИ-20

  • Used for work under voltage up to 1000 V
  • Set of dielectric one-side spanners: 10, 12, 17, 19 mm
  • Insulation made of polypropylene
  • Chrome-vanadium steel
  • Each spanner is marked
  • Reliable comfortable folder with holes for fixation
  • Set weight: 540 g

  • Video overview