Dakcos Black 21Pcs Nut Driver Set 1/4" Hex Shank Drill Socket Set, Metric 6-14Mm And Sae 1/4“-9/16”Quick Change Drill Bits, Adapter To 1/4“ 1/2” 3/8" Cr-V

DAKCOS

Screw head: 6, 8, 10, 11, 12, 13, 14 mm; 1/4“ 5/16” 11/32“ 3/8” 7/16“ 1/2” 9/16" 3-piece hex socket set (1/4“, 3/8”, 1/2“), 1-piece 1/4” bit holder and 3-piece 1/4" quick-change extension holder (60 mm, 100 mm, 150 mm) Made of tough chrome-vanadium steel with corrosion-resistant black phosphating 1/4 inch hex shank Clear size markings for easy identification, Manufacturer: DAKCOS