9/16" Hex Socket, SAE No. 18 with 3/8" 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 ordinary 6-point nuts and 12-point fasteners with an advantage similar to the Snap-on® Flank Drive® wrench system
• Manufactured from a special steel alloy and heat-treated for optimal strength and durability
• The nickel-chrome plating helps protect against corrosion and makes cleaning easier. Specifications: Drive Size, Inches: 3/8; Country of Origin: USA; Dimension A, Socket End Diameter, Inches: 13/16; Dimension B, Drive End Diameter, Inches: 13/16; Finish: Chrome; Dimension D, Length, Inches: 1-3/32; Dimension E, Opening Depth, Inches: 15/32; Hex Size, Inches: 9/16; Spline Size (SAE): #18 (9/16"); Sets; Warranty: Lifetime warranty, non-repairable, guaranteed for materials and workmanship/while the purchaser owns the tools. Warnings: For complete warning information, see CAT1600 pages W1-W4