Model Number: GM-DB199 Key Specifications/Special Features: 1 magnetic bit-holder- T STAR tamperproof: T8-10-15-20-25-17- 30-35-40- T STAR: T 10-15-20-25-30- int. hex. tamperproof: 2-2,5-3-4-5-6 mm- int. hex.: 4-5-6 mm- plain slot: 4-5-6 mm- cross slot: PH # 1, PH # 2- PZ-type: PZ # 1, PZ # 2- spline bits M5-M6-M8- open end spanner bits 4-5-6-8-10 mm- tri-wing bits No 1-2-3-4 mm- four wing bits No 6-8-10 mm- int. square head S1, S2