Very Useful For Jobs Where Access Is Not Possible With Normal Ratchet And Hexagon and Torx Sockets.28pc Set Contains:1 Double Ring Gearwrench 8 X 10mm4 Micro Phillips Bits 0, 1, 2 And 33 Micro Flat Bits 4, 5.5 And 6.5mm3 Micro Hex Bits 4,