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- Made of the finest hardwood with a yellow enamel finish with bold, black horizontal figures and 1/16 inch graduations on both edges of both sides.
- A durable epoxy protects finish.
- Brass-plated concealed lock joints, at each 6 inch fold prevent end-play for measuring accuracy.
- Brass strike plates and end caps resist wear.
- Model 620 heavy-duty rule has extra-long, heavy-duty spring joints, one-third heavier than regular folding rules. Also features a graduated 6 inch brass slide fitter into one section.
| RID-36075 Model 620 6' Heavey-Duty Extension Rule |
