Straight Castroviejo Perma Sharp™ Needle Holder, 18 cm (7") Straight Castroviejo Perma Sharp™ Needle Holder, 18 cm (7") NH5024R Perma Sharp™ Needle Holders are used to grasp and guide the needle when suturing. Featuring needle holder round handle and carbide beaks. Where to Buy x Category Dealer PartnersSales RepresentativeStrategic MarketsSchools RepresentativeAccutron™ Equipment Sales Zip Code Find RepresentativeReset Select a category, input a zip code and click on Find Representative, or explore the complete list here.