Click image to zoom in 1/2 Inch Drive x 18 Inch ExtensionItem #SHA21118 • Ships tomorrow Quantity -+ $16.00 Add to Cart • Share EmailFacebookTwitter Description Loading... Specs 1/2 Inch Drive x 18 Inch Extension A. Length 17.7 in. B. Diameter 1.0 in. C. Shaft Diameter 0.65 in. D. Tang Size 1/2 in. E. Drive Size 1/2 in. Weight 1.11 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.