Quickread Power Return Tape, 25 ft x 1 in, SAE, Single Sided, Hi Viz Orange ORS NASCO and graphite lubricants Use during assembly and graphite lubricants Use during assembly to prevent galling 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 Built in bumper reduces shock when blade is retracted Rounded case fits your hand for comfort Graduations printed in fractions and decimal equivalents Positive toggle lock holds blade securely at any length Durable ABS case withstands rugged use on the job site