SKT45168 Features: -Indirect approach to the fastener. -Improved access to hard to reach areas. -Made in the U.S.A.. -Drive size: 3/8''. Product Type: -Extensions. Drive Size: -3/8". Quantity: -Single. Generic Dimensions: -Overall dimensions: 0.69'' H x 0.69'' W x 12'' D, 0.65 lb. Dimensions: Overall Product Weight: -0.65 Pounds.