Sears offers the Craftsman 7-Piece Standard T-Through Handle Ball End Hex Key Set, model no. 46383, for $25.49. Choose in-store pickup to avoid the $6.50 shipping fee. That's $15 off list price and the lowest total price we could find. The set includes 3/32" and 7/64" hex keys and 1/8", 5/32", 3/16", 7/32", 1/4" ball end hex keys.