Bahco® 6MV-8 Open End Wrench, Metric, 8 mm, 3-5/8 in OAL, Single Head, Insulated, Chrome Vanadium Steel
Capri Tools 8 mm Combination Wrench, 12 Point, Metric, Chrome (1-1308) - Amazon.com
Wrench Sizes - ElectronicsHub
Open End Wrenches; Wrench Type: Extra Thin ; Tool Type: Standard ; Size (Inch): 5/8 in ; Size (mm): 5/8 in ; Finish/Coating: Black ; Head Type: Single End; Single End - The Office Group