Handychuck HC1 Pin Vise Handle. The Handychuck Pin Vise grips objects from 1mm (0.04") to 8mm (0.32") in diameter. Can be used with C50 & C60 scrapers. Holds small files, drills, remers, taps, mold polishing stones, wires, countersinks etc. Can be used with C50 and C60 scrapers. Useful for repairing and assembling watches, electrical appliances & miniature electronic equipment.