3/16" Hex Key from 669 /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. Overall length: 1¾" Hex size: 3/16" Hex key length: 3/4" Weight: 0.03 lb NOTE: Photo shows Item #F0 and #F6 as examples. MADE IN USA SKU:F6