Doc Robinson's Super Fast Platinum Casting Investment Select Option:25 Lb Investment + Binder Mountings are supplied in standard

Mountings are supplied in standard USA ring sizes 6 to 6-1/4

Made in Vallorbe

A 6" file measures approximately 8 1/2" overall

The 14K white gold version uses a nickel-based alloy and is rhodium plated

Doc Robinson's Super Fast Platinum Casting Investment Select Option:25 Lb Investment + Binder Mountings are supplied in standardDoc Robinson's Super Fast Platinum Casting Investment is a professional grade, two part powder and binder system developed by Mark Robinson from a dental investment formula. Designed for speed and versatility, it supports casting in platinum, palladium, gold, silver, brass, copper, and other similar metals. The entire turnaround from wax to finished casting is less than four hours, with a burn out time as short as 2 hours making it an ideal solution