Wheelers Fat Wrench brings perfect consistency to every screw on your rifle. This amazing handheld torque wrench lets you apply repeatable accurate torque settings to scope rings guard screws windage screws and base screws which aids in accuracy and decreases the opportunity for problems in the field. It comes with the following bits square drive adapter bit LeupoldBuehler windage bit T10 Torx bit T15 Torx bit T20 Torx bit 332 Allen bit 532 Allen bit 10 deluxe flat blade bit 11 deluxe flat blade bit and a 32 deluxe flat blade.