The Wheeler 38-Piece F.A.T. Wrench Screwdriver Set provides precision tools for gunsmithing and mechanical applications with 38 individual pieces and integrated F.A.T. (Firearm Accurizing Tool) wrench system.Wheeler 38-Piece F.A.T. Wrench Screwdriver Set38 precision screwdriver bits and accessoriesF.A.T. wrench system for accurate torque applicationCompact dimensions: 2.70 x 5.80 x 8.65 inchesProfessional-grade construction for durabilityIdeal for gunsmiths mechanics and precision work requiring accurate torque control and comprehensive bit selection for various fastener types.