Features 1、DURABLE MATERIAL: This manual twist drill is made of excellent alloy drill bits and steel drill bits for a long life 2、EASY STORAGE: Twist drill ballpoint pen sized design with a small transparent storage case for easy carrying and storage 3、APPLICABLE MATERIALS: The hand drill is suitable for drilling wood, beads, resin, linden tree, horn, amber, olive, nut, PVC, walnut, plastic, beeswax, acrylic and other materials 4、WIDE APPLICABLE: Twist drills are used in electronic assembly, tool making, model making and DIY, useful and practical 5、25PCS BITS IN TOTAL: The package contain a total of 25pcs drill bits, enough for you to replace and use, very convenient Specification Item Type: Twist Drill Bit Set Product Material: Hard alloy Product Weight: 45 g / 1.6 oz(approx.) Product Size: Approx. 9 x 1.5 x 1.5cm / 3.5 x 0.6 x 0.6in Use: Electronic assembly, tool making, model making and DIY applications Package List 1 x Drill 25 x Drill Bit