* Contents：
    360° & 3d mulit angle reversible roling ratchet
    1/4"dr.bit adaptor (go-through)
    20 × 13mm socket adaptor
    1/4"dr.sspinner handle
    13 × 75mm(l) go-through extension bar
* 13mm go through socket:
     4-5-6-7-8-9-10-11-12mm
* 20mm go through socket:
    13-14-15-16-17-19mm
* power bit(s2):
    t10,15,20,25,27,30,40
    sl3,4,5,6 ph1,2,3,
    h1.5,2,2.5,3,4,5,6