SPI Adjustable Hook Rules, Satin Chrome Finish
- Tool steel, hardened and tempered
- Accuracy meets federal specifications
- Hard chrome finish - no glare
- Furnished with adjustable hook
- Thickness: 0.040"
Micro-fine Graduations:
- 4R - 8ths, 16ths, 32nds, 64ths
- 16R - 32nds, 64ths, 50ths, 100ths
- E/M - 32nds, 64ths, 1/2mm, 1mm