... convenient ! combination tools setcordless drill:voltage:18v,No load speed:0-550rpmTorque seting :15+1 ,keyless chuck ... for wood,3mm for steel,miter cutting:0+45No load stroke:1700rpmTorch: voltage:18v , rotary degree:0 ... °-90Delt sander:18v ,No-load speed:6000rpm, sander paper:90*90*90mm1pc extral battery9pcs ... tool set P1003A -cordless drill,heavy light,grinder,wrench,circular saw