Main Features: ● High-speed steel 4241 corebit.
● Perfect for the work that hardness is lower than 25 degree.
● 4 types include: 6, 8, 10, 12. Package weight: 0.073 kg
Package Size(L x W x H): 3.50 x 1.00 x 7.00 cm / 1.38 x 0.39 x 2.76 inches Package Contents: 4 x Drill, 1 x Hex Wrench