High strength body with shorten length can be operated in narrow space;
High precision machining gears with higher strength, and better toughness;
Impact resistance gear cover, improving the strength and hardness;
Double pawl brake system – reinforced pawl, ratchet disc and brake Disc;
Low friction bushing power transmission design for easier maintenance;
Strengthening ribs on lever sides;
High quality alloy steel forging hook;
T80 load chain with high precision, high strength and chain strength up to 1000N/㎡;
High strength chain end connection, with 2.5 times safety factor;
Super robust, much higher than 1500 cycles EN 13157 endurance testing.