1/2" Drive 6-Point Metric 21 mm Flank Drive® Thin Wall Extra Deep Impact Socket | SIMMF21A Utility Stands • 13 locking positions

• 13 locking positions

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

7/16 and 1-5/16-1-9/16") in a storage tray

• Work Surface : PowerTop™ Stainless Steel with LED Light

1/2" Drive 6-Point Metric 21 mm Flank Drive® Thin Wall Extra Deep Impact Socket | SIMMF21A Utility Stands • 13 locking positionsSockets are 34% thinner than a standard thin wall socket Use to access nuts on long studs and other hard to reach areas Ideal for wheel lugs Industrial finish helps prevent corrosion Specifications Dimension C, Bolt Clearance Depth, mm : 50. 8 Dimension B, Drive End Dia., mm : 28. 6 Country Of Origin : USA Size, mm : 21 Dimension E, Opening Depth, mm : 25. 4 Dimension D, Length, mm : 76. 2 Dimension A, Socket End Dia., mm : 28. 6 Finish : Industrial