CT5949 - 9pc Groove Nut Socket Set 1/2 & 3/4 Inside Teeth

For removing and tightening of grooved nuts according to DIN 981 standard on shafts, clamping or pulling sleeves etc.
Suitable for following groove nut sizes:
1/2" drive: KM4 - KM5 - KM6 - KM7 - KM8
3/4" drive: KM9 - KM10 - KM11 - KM12