Labor saving
wrench(Labor saving spanner) adopts high effect planet shifts as
main transmission. Its characteristic is small volume, light
wieght, because of large shifts, input little power can be brought
large output power, it's made of alloy steel and heat treatment
outside, solidity and well use. It is widely used
inassembling
and dismantlingdifferent kinds of camion tyres. It is the
necesarily tools for repairmen and drivers.