Craftsman 43282 4-Piece 3/8″ Drive Extension Bar Set for $9.99. Order online for in-store pickup at Sears to lock in the price and save on shipping. Otherwise, shipping is $6.50 for a total of $16.49 shipped, or free on orders over $59. Here is a screenshot for your reference. The set includes a 1.5″, 3″, 6″ and 10″ extensions.