Cable Twist Knot Wire Wheel, 4 in dia x 1 4 in W, 0.020 in Steel Wire, 20000 RPM ORS NASCO easy to use angle tool easy to use angle tool that is ready to tackle big and small jobs On Off allows precise placement Strong hold powered by 80 pound (36 kg) Magswitch Strong hold and small size make it ideal for metal fabrication or artistic welding With two 90 degree angles 000 operations indicating a service life of 10 to 12 years of comparable use Non interchangeable oxygen and fuel gas connectors prevent accidental gas mixing Instant closure on reverse flow check valves with total shutoff at only 10 oz of back pressure Maximum impact for extremely severe applications Anchor Brand Catalog NO Applicable Materials Rust