3/8" Square Flex Driver from 2304 /per Qty. Add to Cart This item is currently on backorder, but you can still purchase it now and we'll ship as soon as more become available. 10" long, 3/8" square spin driver for 3/8" sockets 4¼" x 5/16" diameter flex shaft with yellow extruded handle: 4-5/8" long x 1" diameter Torque: 50 in/lb Weight: 0.25 lb MADE IN USA SKU:SD38