Screw Angle and Pitch Center Gauge: Whitworth 55° SERIES 926 A Screw Angle a..
Screw Angle and Pitch Center Gauge: Unified 60° SERIES 926 A Screw Angle and..
Centering Indicator Kit - 7 Piece SERIES 297 A centering indicator, also kno..
Screw Angle and Pitch Center Gauge: Metric 60° SERIES 926 A Screw Angle and ..