SPI Flexible Steel Rules
- Made of hardened and tempered steel
- Durable finishes for rust and wear durability
- Satin Chrome: Precisely etched, then black filled
- Easy View (Black Chrome): Precisely etched, then white filled
- Thickness: 0.020"
Graduations:
- 3R - 32nds, 64ths, 10ths, 50ths
- 4R - 8ths, 16ths, 32nds, 64ths
- 5R - 32nds, 64ths, 10ths, 100ths
- 16R - 32nds, 64ths, 50ths, 100ths
- E/M - 32nd, 64ths, 1/2 mm, 1 mm
- * D/M - 10ths, 50ths, 1/2 mm, 1 mm
- † D/M - 10ths, 100ths, 1/2 mm, 1 mm
- M - 1/2 mm, 1 mm, 1/2 mm, 1 mm