Borka Standard Configuration Precision Torque Kit, Precision Meets Portability. The Borka Standard Configuration Kit delivers professional grade torque control in a compact, rugged package. Complete Kit Contents: Adjustable Torque Driver, Calibrated to an accuracy of 4%. Compact Ratchet Handle: 1/4 hex (F) x 1/4 square drive (M). Adapters & Extension: 1/4 hex drive (F) to 1/4 square drive (F) adapter, 1/4 hex drive (M) to 1/4 square drive (M) adapter, 2 extension with 1/4 square drive (M and F) ends, 1/2 hex socket with 1/4 square drive (F). 29 Premium S2 Tool Steel, Chrome-Plated Bits: Hex, Inch: 3/32, 7/64, 1/8, 9/64, 5/32, 3/16. Hex, Metric: 2, 2.5, 3, 4, 5, 6. Slotted: 1/8, 5/32, 3/16, 7/32, 1/4, 5/16. Torx: T-10, T-15, T-20, T-25, T-27, T-30. Phillips: #1, #2. Spare Torx Bits: Extra T-10, T-15, T-20 (stored in labeled Special Bits slots SPB#13). Maintenance Essentials: Mohair lens brush, Instruction guide sheet with quick-start info and video links. Cordura Nylon Pouch Heavy-duty 8 x 5.5 x 2 case keeps everything organized and protected, Total Weight: 1 lb. 6 oz. Key Advantages: True 4% torque calibration accuracy for repeatable, precise fastener tension, Lightweight, portable design for on-the-go gunsmithing, optics installation, and field maintenance.