Swiss Perio Microsurgical Castroviejo Needle Holder Swiss Perio Microsurgical Castroviejo Needle Holder SPNHDPVN Microsurgical castroviejo needle holder designed for smaller needles and provides easy handling of suture diameters ranging from 5-0 to 9-0. Where to Buy x Category - Any - Dealer Partners Sales Representative Strategic Markets Schools Representative Accutronâ„¢ Equipment Sales Zip Code Find Representative Reset No results found. Please try a different search or explore: Sales Representatives | Dealer Partners | Strategic Markets | Schools | Accutron