VRPC Series Vinyl Roller Pin Covers Caplugs' vinyl roller pin covers (VRPC Series) protect threads on oil and gas drill bits during shipping and storage. Made with a high durometer vinyl, the design provides an interference fit and is angled to match the conical drill bit shape, for full coverage protection. * High durometer vinyl provides extra endwall protection * Keeps threads free of contaminants * Economical protection Material: High durometer vinyl Color: Black FC Series Snap-In Flange Protectors FC Series snap-in flange protectors fit into bolt holes with minimal pressure and no fastening devices. The protectors are resistant to petroleum residue. Material: Low-Density Polyethylene Color: Blue - 150 lb. series Black - 300 lb. series WNC Series Weld Neck Covers WNC Series weld neck covers protect the neck end of the flange, opposite raised-face, to avoid damage in transit or storage. Covers are commonly used by carbon and stainless steel flange manufacturers. Material: Vinyl Color: Black A B C 350 * For other material and color options, contact customer service.