省力扳手採用高效行星變速作主傳動，其特點是體積小，重量輕，由於變速比大輸入較小的力量就能產生很大的輸出扭距。產品選用高級合金鋼和精良的熱處理工藝，堅固耐用。高效省力，外表採用拋光噴塑處理，具有良好的手感。廣氾用於拆裝各種型號的載重汽車輪胎，是汽車修理工必備工具和廣大司機朋友得心應手理想的隨車工具。

輪胎螺母拆裝省力器  增力比：56：1.

搖手柄輸入用力請勿大於23公斤！安全輸出的力矩：3000牛頓.米

laborsaving tyre dismounting machine for vehicle
using method
1.mount sleeve on square head at the end of a handle and put on the rocker .
2.mount sleeve on the bolt to be dismounted or fixed and pay attention to the tightness direction,shake rocker and make fast on the side face of another bolt.
3.After unscrewing the nut ,replace extension bar to dismount repairly (when fastening please use extension bar to revolve firsting then screwed by the laborsaving wrench.
NOTE
1.when fastening nut,the force of rocker should not exceed 20 kg .if rocker has a feeling of rebounded semi-circle ,nut has been fastened ,and excessive force may damage the nut or the dismounting machine.
2.Do not add force of pry bar pry bar pr tommy bar to hand rocker.
3.Reminded:If you use a larger force and not loose nut ,pay attention to judging about if the direction will be up against the rocker .
4.This product is not suit to dismount completely corroded bolts.