Wowstick-x1 x2 X3 x0 batch head group.The X1 batch head group contains 20 S2 steel batch heads (all of which are 2.8cm long).The X2 batch head group contains 20 S2 steel batch heads (all of which are 2.8mc in length).The X3 batch head group contains 16 S2 steel batch heads (12 batch heads are 2.8cm long and 4 batch heads are 4.5cm long). The specific specifications of x1, X2 and X3 are listed in the figure below, which you can refer to.X1x2x3 batch head is medium S2 steel. Personal dismantling and household use are enough. In addition, the bottom of the screwdriver head equipped with X1, X2 and X3 is 4mm hexagon with a length of 28mm, which is a commonly used specification in small and medium-sized screwdriver sets at present. Many small and medium-sized handles and suits can be used in general. For example, the whole series of wowstick products 1p 1p + 1F 1FS # 1F + A1 1s can all be used, as well as 32 in 1 # 33 in 1 45 in 1 # 58 in 1 in the market and 22 in 1 # 28 in 1 in Nanqi. The bottom size is the same 4mm hexagon.X0 batch head group has 20 specifications as follows:Cro: ph000 (cro 1.5) pH0 (cro 2.0) pH2 (cro 5.0) one character: 1.0mm 2.0mm 3.0mmHexagon: T5 T6 T8; five stars: P2 (five stars 0.8) P5 (five stars 1.2) P6 (five stars 1.5)Hexagon socket: H2 5 H3. 0 Square: sq0 triangle: 3.0 Y type: Y2 5 Y0. 6. U type: U3 0 # through needle: 0.8