Kuriyama of America”s Piranhaflex 100R8 hydraulic hoses are designed for high-pressure hydraulic applications involving hydraulic tools, lubrication lines and man lifts. Series PF628 hoses have a seamless polyester inner tube and a black abrasion-resistant polyurethane pin-pricked cover. Series PF628NC hoses have a seamless polyester inner tube and an orange non-conductive, non-pin pricked abrasion resistant polyurethane cover.