Individually marked with size. 4, 9 7/8, 8 1, 7 11/8 11/4, 6 13/8 11/2, 5 15/.
SCREW PITCH THREAD GAUGE METRIC & WHITWORTH BSW NUTS & BOLTS 51 MEASURING BLADES
Whitworth Screw Pitch Gauge BSW (Ref: PG055) Thread gauge From Chronos
SCREW PITCH GAUGE METRIC WHITWORTH INTERNAL EXTERNAL THREAD MEASURING BLADE TOOL
Metric & Whitworth Thread/Screw Pitch Gauge TE121
28pc Metric Tap and Die Set M3 x M12 Plug Taper Wrench Screw Pitch Gauge TE488
MOORE & WRIGHT SCREW PITCH GAUGE 49PC METRIC & IMPERIAL 804