1.manual hand puller is a kind of small-sized, hand-operated tool. 2.It features light weight, compact structure, wide range of applications and easy maintenance. 3.This type of hoist is suitable to use outdoor sites under adverses circumstances. 4.The housing of hoist is made of aluminum alloy, thus producing adequate strengh, yet light in weight and making it quite portable the component parts inside are made of high quality alloyed steel with advanced technology.