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The KOMELON 9901 is a 100-foot steel blade tape measure built for field use by HVAC technicians, plumbers, electricians, and general trade professionals who need extended reach in a compact, durable package. The blade is 3/8 inches wide with a nylon coating for smooth extension and retraction, and it carries 1/8-inch graduation markings in standard inch scale. The ABS case is finished in black and yellow for high visibility on a job site. At 1 pound, it is light enough to carry on a tool belt without adding fatigue during a full shift.
The 9901 is suited for residential and commercial trade applications where long linear measurements are required. Common uses include measuring duct runs, pipe offsets, conduit routing, and room dimensions before rough-in work begins. The extended 100-foot range reduces the need for repositioning on larger jobs. The tape is available in both feet/inches and inch/metric scales, making it compatible with plans drawn in either system.
Designed as a general-purpose long tape measure suitable for HVAC, plumbing, electrical, and construction layout applications requiring a 100-foot steel blade tape.
A tape measure requires no installation, but proper use extends service life. Avoid kinking or bending the blade sharply at the hook end, as this can crack the nylon coating and distort graduation accuracy. Retract the blade slowly to prevent snap-back damage. Clean the blade of debris or moisture before storing to prevent corrosion on the steel substrate.
We pulled together the parts most installs need for this unit, plus a few add-ons worth a look. Check what you need — nothing here blocks checkout.
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