Icarbide 56 In 1 Standard And Metric Nut And Bolt Thread Checker Bolt

1 × Nut and Bolt Thread Checker 28holes. Thread Size：M4 × 0.7 to M14 × 2.0 & from #6 - 32 Coarse to 1/2 - 20 Fine. Fastener Type：Bolt/ Standard. Material：Aluminum. If both quality and cost are your first concern.