Dimar 117RL8-XX Series Rounding Over Bits – Plunge Type (Corner Rounding Bits) With Boring Point, 2 FlutesThe rounding over bits help give a project a softer, smoother look. Rounding edges also allows a project increased durability as dents and splinters become less pronounced. Able to plunge into wood to create a rounding corner. Dimar 117RL8 XX Series Rounding Over Bits Plunge Type (Corner Rounding Bits) With Boring Point, 2 Flutes