Walmart has Stanley 85-753 Hex Key Set on sale for $6.15 (Reg. $14.88). Free Store Pickup or Free Shipping on $35 order.
Wrenches meet or exceed ANSI/ASME B18.3 specifications.
Chamfered hex key edges to give better fit and reduce stripped fasteners.
Black oxide finish resists rust.
Durable caddy keeps keys organized and has marked slots for each key.