21 Piece 3/8" Drive 12 Pt Std and Deep SAE Socket Set

21 Piece 3/8" Drive 12 Point Standard and Deep Fractional Chrome Socket Set 21 piece set manufactured to give superior service year after year and to last a lifetime with proper care and usage This set features SKs SureGrip hex design, which drives the side of the fastener, not the corner, to avoid edge breakage on rusted or damaged fasteners like traditional straight cornered hex tools SKs high polish SuperKrome finish protects the sockets from the harsh working environments while providing long life and maximum corrosion resistance Set contains a Pro Ratchet and 2 Extensions Set includes: 3/8" Drive 12 Point Sockets - 1/4", 5/16", 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4" 3/8" Drive 12 Point Deep Sockets - 3/8", 7/16", 1/2", 9/16", 5/8", 11/16", 3/4", 13/16", 7/8" 3/8" Drive Pro Ratchet 7.5" 3/8" Drive Extensions - 1.5", 6".