Features and Benefits:Bendsup to .5” solid roundrod.3 driven rollspowered by hand crank.Allowsbending on either side of the bottom rollfor more radius options.Comes standard withtooling for flat bar,1/4" Round and 1/2" Round.Optional tooling setsfor round stock available.Includesconvenient floor stand.Covered by a1-year parts warrantyandlifetime technical support by phone.We designed this portable dynamo tolast a lifetimeand built it from only thesturdiest plate steel parts. With thismanualring roller, you can easily make small complete circles.