The SuperCombo features open ends with special grooves that direct force away from fastener corners to minimize wear.Box opening design allows application of higher torque without rounding or deforming hex fastener pointsNo contact is made at the fastener corners; the forces are instead placed on the flat surfaces behind the pointsMeets or exceeds aerospace specification AS 954 for 12-point fasteners to provide accurate torque/tensionCan be used on all common Hex fastenersBox and open end openings are identicalItem SpecificationsTypeDouble EndedTip Size9mm