<div class="detailmodule_html"><div class="detail-desc-decorate-richtext"><p style="margin:5px 0 0 0;white-space:pre-wrap;"> Sharp &amp; Wear-Resistant: These drill bits are made of 4241 high speed steel with titanium coating for proven capability and durability.Multi-Purpose: Great tools for drilling holes in soft metal, wood, plastic, fiberglass, etc.Twist Design: Precise 135o Split Point drill bit ensures clean &amp; accurate hole drilling.230 Pcs Drill Bit Set: Including 32 Piece 1mm, 30 Piece 1.5mm, 30 Piece 2mm, 30 Piece 2.5mm, 20 Piece 3mm, 20 Piece 3.5, 12 Piece 4mm, 12 Piece 4.5, 12 Piece 5mm, 8 Piece 5.5mm, 4 Piece 6mm, 6 Piece 6.5mm, 4 Piece 7mm, 2 Piece 7,5mm, 3 Piece 8mm, 2 Piece 8.5mm, 1 Piece 9mm, 1 Piece 9.5, 1 Piece 10mm.Along with a Plastic Case to keep drill bits organized while not in use.Material: High Speed Steel Body, Titanium CoatingNumber of Pcs &amp; Size:32 x 1.0mm Twist Drill Bit30 x 1.5mm Twist Drill Bit30 x 2.0mm Twist Drill Bit30 x 2.5mm Twist Drill Bit20 x 3.0mm Twist Drill Bit20 x 3.5mm Twist Drill Bit12 x 4.0mm Twist Drill Bit12 x 4.5mm Twist Drill Bit12 x 5.0mm Twist Drill Bit8 x 5.5mm Twist Drill Bit4 x 6.0mm Twist Drill Bit6 x 6.5mm Twist Drill Bit4 x 7.0mm Twist Drill Bit2 x 7.5mm Twist Drill Bit3 x 8.0mm Twist Drill Bit2 x 8.5mm Twist Drill Bit1 x 9.0mm Twist Drill Bit1 x 9.5mm Twist Drill Bit1 x 10.0mm Twist Drill BitMeasurement System: MetricWeight: 1.5kg/3.3lbs (including the case)Package Includes: 1 Set of 230pcs Drill Bits with Case</p></div></div>