This spacer mounts between the cradle and the diamond drill motor to increase the bit capacity from 10 in. to 14 in. For use with models (4115, 4120, 4115-21, 4115-22, 4120-211, 4120-22).

• Increase bit capacity from 10 in. to 14 in.
• Mounts between cradle and motor
• For use with diamond coring rigs 4115, 4115-21, 4115-22, 4120, 4120-21 and 4120-22 only
• Easy to install