Manual Threading/Pipe and Bolt Dies Only, 3/4 in - 14 NPT, 12R, HS for SS ORS NASCO 000 operations indicating a service

000 operations indicating a service life of 10 to 12 years of comparable use|Non-interchangeable oxygen and fuel gas connectors prevent accidental gas mixing|Instant closure on reverse flow check valves with total shutoff at only 10 oz of back pressure|

Color coding avoids accidents|Self-closing lid controls spills|Leakproof

and also for underhand applications using the top of the disc

|Features an elastric headstrap and visor clip that attaches to the brim of your hat

Made from durable 9 oz flame-retardant (FR) cotton sateen|Adjustable neck and waist straps|||

Manual Threading/Pipe and Bolt Dies Only, 3/4 in - 14 NPT, 12R, HS for SS ORS NASCO 000 operations indicating a serviceProfessional grade cutting tool Precision threading