Durston 1525US PrecisionFit Steel Marked Ring Mandrel With Groove USA Sizes 1-16 Books & DVDs and the unit is powered

and the unit is powered by squirrel cage blowers that deliver consistent

Metal has been formed using sandbags exactly like these for millennia—a testament to their proven utility

In its blank state

From striking and shaping to trimming and hole punching

this 4-prong head features a peg base for secure tube or shank mounting

Durston 1525US PrecisionFit Steel Marked Ring Mandrel With Groove USA Sizes 1-16 Books & DVDs and the unit is poweredThe Durston PrecisionFit Steel Marked Ring Mandrel with Groove delivers professional grade accuracy for USA ring sizing 116. Hardened to 64RC, this mandrel provides a solid, stable base for sizing, forming, and shaping work. The PrecisionFit system eliminates the need to cross reference inaccurate ring sizers and mandrels, giving you confidence that your sizing is correct every time. All PrecisionFit mandrels and ring gauges are manufactured to