Jack Structure can be divided into two kinds of mechanical and hydraulic. Mechanical jacks have a rack with two spiral from the weight of small, laborious operation, generally used only for mechanical maintenance work. The hydraulic jack compact, smooth, self-locking effect, it is widely used. The disadvantage is the limited lifting height, lifting slow. ● The claw portion is integrally molded alloy casting, strong structure. ● Spindle alloy steel hard chrome, durable and does not rust. ● handle with 360-degree rotation function. ? Claw portion is equipped with a return spring. Model YH-5 YH-10 YH-20 YH-30 YH-50 body height 231 290 325 280 300 claw minimum height 1930354545 claw maximum height 134,184,200,210,210 travel 115 154 165 120 130 base size 132 × 168 168 × 184 193 × 215 224 × 248 230 × 256 of claw size 32 × 75 46 × 112 53 × 126 62 × 149 50 × 115 rated load at the top 5 T 10 T 20 T 30T 50 T claw portion 2.5 T 5 T 10 T 15T 25 T Net Weight (kg) 8.3 20 30 45 55