Material:Molybdenum Steel Size:T20:0.386*1.25*7.8cm / 0.15"*0.49"*3.04" T25: 0.443*1.25*7.8cm / 0.17"*0.49"*3.04" T30: 0.552*1.25*7.8cm / 0.22"*0.49"*3.04" T40: 0.665*1.25*7.8cm / 0.26"*0.49"*3.04" T50: 0.883*1.25*7.8cm / 0.34"*0.49"*3.04" T55":1.122*1.25*7.8cm / 0.44"*0.49"*3.04" Color: Black 1. Made of Metal, it ensures the stability of the driving pneumatic screwdriver under high-intensity operation. 2. The unique integrated design makes the connection more secure, effectively avoiding the problem of loosening of the traditional split screwdriver during use. 3. Strong compatibility, can be used with various pneumatic tools and electric wrenches, suitable for a variety of industrial maintenance and assembly scenarios. 4. The precision-machined hexagonal structure reduces wear on the bolts, provides better grip. 5. The optimized weight distribution design reduces operating fatigue and improves comfort and work efficiency for long-term use. Notes: 1. We all know that different computers display different colors, and the color of the actual product may differ slightly from the following pictures. 2. Please allow slight differences in size due to manual measurement. Thank you for your understanding Package includes: one drill bit