Can be used to store tools such as taps, drills, etc., in a group; Designed to prevent slippage between the same case; For organizing and managing tools and parts; Storage number (pieces): 5; Compatible diameter: 0.5 inches (12.0 mm); Compatible length: 3.6 inches (92 mm); Case with integrated lid; Large box: 1,000 pieces (please indicate "no box)