Rocky Mountain Twist 95090880 Cobalt Combination Size Screw Machine Set comes with a rugged metal carrying case with tip-out storage indexes. Numbered indexes help keep bits organized. Drill bits from #1 to #52 are Split Point. 135° Split Point, 1/16" to 1/2", A-Z, and #1-#60, 115 Piece Set, 2-1/4"H x 4-5/8"W x 13-1/4"L.