1/2 Inch Drive x 3 Inch Impact ExtensionItem #SIA21103 • Ships tomorrow Quantity -+ $8.00 Add to Cart • Share EmailFacebookTwitter Description Loading... Specs 1/2 Inch Drive x 3 Inch Impact Extension A. Length 2.96 in. B. Diameter 0.95 in. C. Shaft Diameter 0.65 in. D. Tang Size 1/2 in. E. Drive Size 1/2 in. F. Pin Hole Diameter 5.3 mm Weight 0.31 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.