Application: This hand twist drill set making handiwork, like hairpins, bracelets, necklaces, keychain, etc.
Material: Hand drill of Aluminum shell and 2 brass cores, each core has two ends, durable.
Twist Drill Bit: with 10x Drill Bit, 0.8mm / 1.0mm / 1.2mm / 1.5mm / 1.8mm / 2.0mm / 2.2mm / 2.5mm/ 2.8mm / 3.0mm.
Double Ended : This pin hand drills and copper collets is double ends, hold within 0.3-3.2mm twist drills etc.
Compact: Suitable for, walnut, small model kit and many other DIY craft.