Click image to zoom in 3/8 Inch Drive x 21 mm 12-Point SocketItem #SHD12321 • Ships today Quantity -+ $6.00 Add to Cart • Share EmailFacebookTwitter Description Loading... Specs 3/8 Inch Drive x 21 mm 12-Point Socket A. Length 1.19 in. B. Socket End Diameter 1.11 in. C. Drive End Diameter 1.11 in. D. Socket Opening Size 21 mm E. Drive Size 3/8 in. F. Well Depth 0.56 in. Weight 0.18 lb. Country of Origin Taiwan Automatically earn 10% back in Rewards on every order. Spend Rewards like cash.Receive fast, free shipping on all orders with your Tekton.com account.