Flank Drive® 3/8" SAE 12-point universal flat socket with 1/4" drive

Characteristics
• The dice comply with AS954, military specification MS-33787 and MIL-W-8982
• They are used in high tensile strength splined nuts and bolts widely used in military and commercial aircraft
• The unique splined wrench configuration also allows use on common 6-point and 12-point fasteners with an advantage similar to the Snap-on® Flank Drive® wrench system
• Manufactured from special alloy steel and heat-treated for optimal strength and durability
• The nickel-chrome plating helps protect against corrosion and makes cleaning easier. Specifications: Dimension A, Hex Outside Diameter, 17/32 in.; Dimension C, Bolt Clearance Depth, 7/16 in.; Size, 5/16 in.; Country of Origin: USA; Dimension B, Square Drive Outside Diameter, 1/2 in.; Dimension D, Assembly Length, 1-7/16 in.; Dimension E, Hex Depth, 5/16 in. Warranty: Lifetime Warranty, Non-repairable, guaranteed for materials and workmanship/while the purchaser owns the tools. Warnings: For complete warning information, see pages W1-W4 of CAT1600.