The Flank Drive® system grips the fastener flats and provides up to 15? The item "Snap On 13 pc 1/2 Drive 6-Point SAE Flank Drive Deep Socket Set (3/81-1/8)" is in sale since Tuesday, August 27, 2019. This item is in the category "eBay Motors\Automotive Tools & Supplies\Hand Tools\Sockets & Socket Sets". The seller is "marj_ma_xmock9jc" and is located in Spring, Texas. This item can be shipped to United States.