QYXB36A1 1 8" Box End 12 Point 10 Offset Wrench Head With Y Shank (0. 560") For Interchangeable Head Torque Wrenches. Williams Cdi Usa # Qyxb36a Interchangeable heads permit torquing capability with interchangeable head type torque wrench bodies. A push of the locking pin provides quick change action, with a wide range of head styles to choose from. Be sure to match the shank size to your torque wrench body or use shank adapters for more versatility. Made in