· product features

Thickening design of outer housing, adding convex rib technology, impact-proof and effective protection of internal transmission mechanism

The hand-pull cover adopts the technology of hemming to increase the intensity and avoid the clamping chain and excessive noise.

The gear is precision forged with high quality alloy steel and is durable after heat treatment, reflecting high transmission effect.

The hook is made of high quality alloy material, which has been treated with special heat treatment to improve the safety warning, and will not break under overload.

· environmental conditions

Temperature range: -10. C - 50. C

Humidity: less than or equal to 100%RH. This product is not an underwater product, which cannot be exposed to moisture for a long time. It can be used in case of rain and immersion.

Materials: no special materials (friction sheet does not contain asbestos material with effective carcinogenicity)