Sunex Tools 222M 1/2" Drive 22mm Standard Impact Socket - No-Slip design in forged cro-moly steel grip flats of fasteners not the corners . Lifetime manufacturer's warranty.
Specifications: (Diagram of Measurement Locations in Second Image Above)
Shape: B
D (Diameter): 32mm
t1 (Length of Drive): 13mm
t2 (Inner Clearance): 17mm
L (Length): 38mm
Warning: This product may expose you to chemicals including lead which are known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www.P65Warnings.ca.gov