Wheeler's F.A.T. Wrench (Firearm Accurizing Torque) brings perfect consistency to every screw on your rifle! 2023 Model Fat Wrench Features The large range of 10-65 in lbs. will aid in accurately torquing screws to recommended specifications. The F.A.T. Wrench includes 10 bits built to last, made from phosphate-coated S2 tool steel hardened to 56-58 Rockwell C. The included custom-molded case is perfect for storing the wrench and bits. Mfg: Wheeler Engineering