JBO 1/4in x 32TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 501315 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 152.99 1
JBO 5/16in x 32TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 506490 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 163.99 1
JBO No.12 x 32TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 506489 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 152.99 1
JBO 3/8in x 32TPI UNEF Go Left Hand Thread Ring Gauge 2A UNEF - 506491 Premium German made UNEF Left Hand Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 169.99 1
JBO M1.6 x 0.35mm Metric Coarse Go Left Hand Thread Ring Gauge 6g Metric ISO - 505880 Premium German made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 174.99 1
JBO M13 x 1mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 501564 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 159.99 1
JBO M9 x 1mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 502360 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 119.99 1
JBO M5 x 0.8 Metric Coarse Go Left Hand Thread Ring Gauge 6e Metric ISO - 502954 Premium German Made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6e tolerance GBP 102.99 1
JBO M16 x 1mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 501643 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 139.99 1
JBO M5 x 0.8 Metric Coarse Go Left Hand Thread Ring Gauge 6e Metric ISO - 502955 Premium German Made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6e tolerance GBP 102.99 1
JBO M18 x 1.5mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 501685 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 142.99 1
JBO M10 x 1.5mm Metric Coarse Go Left Hand Thread Ring Gauge 6g Metric ISO - 501459 Premium German made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 99.99 1
JBO M13 x 0.75mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 506078 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 165.99 1
JBO M2.5 x 0.45mm Metric Coarse Go Left Hand Thread Ring Gauge 6g Metric ISO - 501730 Premium German made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 119.99 1
JBO M16 x 2 Metric Coarse Go Left Hand Thread Ring Gauge 6e Metric ISO - 503643 Premium German Made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6e tolerance GBP 159.99 1
JBO M14 x 2mm Metric Coarse Go Left Hand Thread Ring Gauge 6g Metric ISO - 501576 Premium German made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 119.99 1
JBO No.12 x 32TPI UNEF No-Go Left Hand Thread Ring Gauge 2A UNEF - 506504 Premium German made UNEF Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 152.99 1
JBO M12 x 1.25mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 501543 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 159.99 1
JBO M7 x 0.5mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 503935 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 139.99 1
JBO 1/4in x 32TPI UNEF No-Go Left Hand Thread Ring Gauge 2A UNEF - 500021 Premium German made UNEF Left Hand No-Go Thread Ring Gauge. For checking to a 2A tolerance. GBP 152.99 1
JBO M11 x 0.75mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 501503 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 149.99 1
JBO M12 x 1.75 Metric Coarse Go Left Hand Thread Ring Gauge 6e Metric ISO - 503759 Premium German Made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6e tolerance GBP 133.99 1
JBO M18 x 1mm Metric Fine Go Left Hand Thread Ring Gauge 6g Metric ISO - 501675 Premium German made Metric Fine Left Hand Go Thread Ring Gauge. For checking to a 6g tolerance. GBP 159.99 1
JBO M6 x 1 Metric Coarse Go Left Hand Thread Ring Gauge 6e Metric ISO - 500905 Premium German Made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6e tolerance GBP 102.99 1
JBO M4 x 0.7 Metric Coarse Go Left Hand Thread Ring Gauge 6e Metric ISO - 503914 Premium German Made Metric Coarse Left Hand Go Thread Ring Gauge. For checking to a 6e tolerance GBP 102.99 1