This set consists of 25 practical and useful parts 1 extendable metal bit holder 14 21 cm length socket attachments per 1 x 25 30 35 40 45 50 mm 3 needle files flat round triangular 1 mini hammer 1 pair of tweezers 1 side cutter small 18 bits in the following sizes slot 15 20 25 mm cross 0001 t section t4 t5 t6 t7 hexagon 15 7 20 mm