Crescent 170-Piece Professional Tool Set: * Professional-grade 170-piece tool kit is presented in sturdy blow-molded case * Complete tool kit contains necessary tools for most industrial jobs * Chrome-vanadium steel ratchets and sockets are strong, tough and resist wear well * Case has designated spaces for each tool, keeping kit well-organized * Meets ANSI specifications * Tool Kits Type: Combination Set * Number of Pieces: 170