7/16–1/2" 12-Point SAE Flank Drive® S-Shaped Box Wrench | SBX1416 Electronic Service (1) 1/2" internal drive x

(1) 1/2" internal drive x 3/8" external drive adaptor

• Stores sizes: 4

• Flank Drive® Plus wrenching system features a series of flutes or notches that grip a fastener away from its corners

• Flank Drive® wrenching system on box end provides up to 15–20% more turning power with less risk of tool or fastener damage

• Unidirectional

7/16–1/2" 12-Point SAE Flank Drive® S-Shaped Box Wrench | SBX1416 Electronic Service (1) 1/2" internal drive xSpecifications Dimension, inches A : 21 323 4 ASME : B107. 100 Size, inches : 7 161 2 Country Of Origin : USA Dimension, inches C : 9 325 16 Finish : Chrome Style : 12 Point Dimension, inches E : 5 5 16