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Conversion kit for JT-SPM V3 to V4


The PGWMSJTAFM4 was custom made for fetching and swapping both the sensors as well as sample plates of a Specs TytoTM Precision SPM Head.

The UPGRADEKITPGWMSJTAFMV3(+V4) replaces the old pincer grips (V3) with the new pincer grips (V4). The new pincer grips can be used with the shorter Tyto-Head version.


For ultimately precise and safe handling, we recommend the PGWMSJTAFM3 be used in combination with a fine adjuster coupling equipped dual shaft wobblestick WMG40(FC)-XXXX-YYYY, as pictured below:

Specifications: Conversion kit for JT-SPM V3 to V4

A set of the following parts for upgrade the pincer grip PGWMSJTAFM Version 3 (11mm eccentric) to PGWMSJAFM Version 4 (7.25mm eccentric)

  • 1x right jaw, material: stainless steel (1.4301)
  • 1x left jaw, material: stainless steel (1.4301)
  • 2x axle for retaining ring, material: CuBe2 (2.1247)
  • 10x dry-lubricated washers

This product does not include the pincer body, these must be provided or bought separately.

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