For its Craftsman Club members, Sears offers the Craftsman 9-Piece Metric Easy-to-Read Swivel Impact Socket Set, model no 15397, for $199.99 with free shipping. (Not a member? It's free to sign up.) That's the lowest total price we could find by $108. The set includes sockets from 10mm to 18mm with a 3/8" drive. Deal ends July 12.
Of note, Shop Your Way Rewards members will earn a Sears credit with this purchase and may be eligible for additional credits and discounts.