1/2" Drive 6-Point 21 mm Flank Drive® Xtra Deep Socket | YTSM21 Flex Head Ratcheting Combination/Standard Handle • Composite handle shank improves

• Composite handle shank improves hammer balance while dampening vibration

• Removes corrosion on flat metals (aluminum

• Well-balanced for smooth handling

• Size : 4 mm

• Description (Chart) : Wire Wheel (Medium)

1/2" Drive 6-Point 21 mm Flank Drive® Xtra Deep Socket | YTSM21 Flex Head Ratcheting Combination/Standard Handle • Composite handle shank improvesSockets using the Flank Drive Xtra wrenching system grip the fastener on the angled flats, delivering up to 20% more turning power than current Flank Drive sockets Flank Drive Xtra wrenching system grips fasteners with the angled contour of the socket wall, delivering higher strength and up to 50% more turning power on damaged fasteners Optimally grooved wall eases socket removal and incorporates large identification marking Manufactured from the