Durston PrecisionFit Set of Aluminum Ring Stick & Ring Finger Sizers USA Sizes Spearhead Includes Swiss Made burs across

Includes Swiss Made burs across multiple bur types and sizes

Material Tungsten carbide (C-Max formula) Style Blank (unshaped) Application Hand engraving

Balance and tighten wheels properly using the supplied flanges and nuts — RH nut on the right side

Dual direction — forward or reverse

This geometry is especially well-suited to stone setting work where controlled material removal and clean seat edges are critical

Durston PrecisionFit Set of Aluminum Ring Stick & Ring Finger Sizers USA Sizes Spearhead Includes Swiss Made burs acrossAccurate ring sizing starts with matched tools. When front counter staff and workshop jewelers use different measuring instruments, sizing errors happen and customers notice. The Durston PrecisionFit Matched Set solves this by pairing an aluminum ring stick and a full set of ring finger gauges that are precisely calibrated to work together and to match the Durston PrecisionFit steel ring mandrel used at the bench. This set is designed for jewelry