This drill bit set and screwdriver bit set comes with a do storage and organization. It is used do devices, computers, equipment and electronic gadgets, all home and workshop DIY. Characteristics: The do screwdriver of drill bits is invented with this in mind, consisting of alloy steel for the conductor. Long-term start of the start of reinforcement, which can cause impact screwdrivers with a high start of rotation. It comes with the inclusion of power tools, resulting in a hassle-free and gradual tightening or unscrewing of the screw. Portable plastic case do container with safe solution do safe use of bits, quality and performance. Excellent do equipment AGD, AGD, furniture equipment, toys, construction, workshop, automotive, bicycle, industry, home improvement project. Technical data: Model: 4A17 Number of pieces: 45 pieces Material: stal alloy Package Weight: 500 g / 17,63 oz List of ingredients: 45 * Set of do screwdriver tips 1 * plastic box