In a nutshell
The right choise for
With the Facom STM.19 bit socket, you tackle heavy-duty 19 mm hex socket head screws with complete confidence. When standard L-keys fall short on leverage, this socket pairs with your 1/2" square drive ratchet or torque wrench to deliver the exact torque required for industrial machinery and heavy vehicle maintenance. Its precision fit seats firmly into fasteners to prevent rounding the heads, while the securely integrated bit ensures reliable, direct torque transfer. Designed with a compact overall length of 60 mm, it gives you easy access and total control, even in tight working spaces.