This device is made of heavy duty steel and has ridged rollers to give a corrugated pattern to sheet or wire with a twist of the crank. Works on sheet up to 3" wide. Corrugation measures 4mm from the height of one bump to the height of the next.
Works best on 26 gauge sheet or 24 gauge sheet once it is annealed. Our alt view shows a strip of 24 gauge annealed copper and 18 gauge copper wire.
This excellent quality Tube Wringer is 100% Made in the USA and won't let you down.