Tapes are made of 1095 spring steel with a coefficient of expansion of .00000633 per degree F per inch.
- Hang-O-Matic All-in-One Picture Hanging Tool, Picture Hanger, Picture Frame Level Ruler, Perfect to Hang Pictures, Mirrors, TVs, and Shelves Review
- Bosch GLM 15 Compact Laser Measure, 50-Feet (Discontinued by Manufacturer) Review