Very dissatisfied with this purchase, one already broke with very light pressure on soft wood. unbalanced and, frankly, not very sharp. Will not buy this brand or product again.
Pros
TIP DESIGN - The tip of these tips is designed to prevent the drill bit from slipping or moving without a mark, allowing you to accurately locate the mark and penetrate the surface quickly. Extra wide chip flutes ensure efficient and fast chip evacuation with less effort when drilling.