The MILWAUKEE Diamond Max Hole Saw Bits deliver up to 20X longer life with unmatched cuts in porcelain. Diamond Max Hole Saws offer best-in-class performance with higher-grade diamonds and superior retention. Features maximum wear resistance to tackle the most demanding tile and stone applications. The improved grip delivers easier starts into material for clean, fast cuts. Designed for more cutting with less clogging.The kit is equipped with a Small Compact Case for 1/4″ Hex Bits, designed for use in PACKOUT. The case offers universal bit storage for all 1/4″ hex shank bits.