<b>EZARC HOLE TIGHT DRILL BITS SYSTEM</b><br> Grounded tough tungsten carbide makes EZARC drill bits suitable for multi-material applications with long life and fast drilling speed <br> Set includes: 5piece carbide tip multi-surface masonry drill bits<br> -- Dia. 5/32 x L 6 inch<br> - Dia. 3/16 x L 6 inch<br> - Dia. 1/4 x L 6 inch <br> - Dia. 5/16 x L 6 inch<br> - Dia. 3/8 x L 6 inch<br> <br> Drill Bit Shank: 1/4-inch Hex shank<br> Drill Bit Material: Tungsten carbide<br> Drill Bit Type: Percussion bit<br> Drill Bit Color: Silver/Green <br> Drilling Material: Brick, block, tile, fiber cement, wood, plastic and metal