1/2" Drive 6-Point Metric 21 mm Flank Drive® Shallow Socket | TWM21 Hex-to-Square Adaptors (3/8") inches E : 9/16

inches E : 9/16

• One piece bottom panel and strategically placed U-channel greatly increase strength

inches C : 1-1/32

inches (mm) : 69-7/16 (1

• Type (chart) : Standard Length

1/2" Drive 6-Point Metric 21 mm Flank Drive® Shallow Socket | TWM21 Hex-to-Square Adaptors (3/8") inches E : 9/16Snap on sockets using the Flank Drive wrenching system grip the fastener on the flanks flats which deliver 1525% more turning power Nickel chrome alloy finish resists rust and corrosion Manufactured from the highest quality proprietary steel, providing optimum strength and durability 6 point configuration and Flank Drive wrenching system Specifications Dimension E, Hex Depth, mm : 14. 0 Dimension C, Bolt Clearance Depth, mm : 21. 1 Dimension B, Drive