Proto J5218 3/8″” Drive Socket 9/16″” – 12 Point 1-1/8″”L

PROTO® 3/8″ DRIVE SOCKET 9/16″ – 12 POINT, 1-1/8″L PROTO® 12 POINT SOCKETS ARE IDEAL FOR USE ON STUBBORN OR DAMAGED FASTENERS, AND ALSO ON FASTENERS MADE FROM SOFT MATERIALS. THE TORQUEPLUS™ DESIGN IS A HIGH PERFORMANCE DRIVE CONFIGURATION WHICH ALLOWS FOR QUICK AND EASY SOCKET ENGAGEMENT TO THE FASTENER FLATS, NOT THE CORNERS. THE TORQUEPLUS™ CONFIGURATION EMPLOYS A RADIUS-CORNER DESIGN, SHIFTING CONTACT AREA AND STRESS AWAY FROM THE FASTENER CORNERS AND DISTRIBUTING CONTACT STRESSES OVER A LARGE AREA OF THE SOCKET, MINIMIZING SLIPPAGE. THE TORQUEPLUS™ INTERNAL DESIGN MINIMIZES FASTENER ROUNDING, HELPS TO EXTEND FASTENER LIFE, AND ALLOWS THE USER TO MORE EASILY TURN WORN, ROUNDED, OR RUSTED FASTENERS.