PN#035070 SKU#8423 Grip with Hardware. One Red and One Blue GladhandL™ Grip with Hardware, Polyurethane. Application: Universal. Universal design attaches quickly to most tractor air lines. Color-coded red and blue for easy air line identification. Machined steel core assures positive connection between the gladhand and coiled air line. Durable handles are heat, oil and UV-resistant. 1/2″ NPTF. Sold in pairs in an attractive display package with informational header. Polyurethane style features a soft grip with a machined steel core.