The Mac Tools Flare Nut Wrench Sets, Nos. SFND5SAE, SFND6MM, and SFND8SAE, feature a 270-degree wraparound on box end, allowing torque to be transmitted on five sides to prevent fastener distortion. The sets are designed for soft metal flare nuts and are available in three sets: 5-pc SAE Flare Nut Set, No. SFND5SAE; 6-pc MM Flare Nut Set, No. SFND6MM; and 8-pc SAE Flare Nut Set, No. SFND8SAE.