Hand -tilted gourds are divided into two types of products: steel hand tangled gourd and aluminum alloy hand -tip gourd. Steel hand pulling gourd is a traditional hand tie gourd, which is strong and durable, but the size is large and heavy. The aluminum alloy hand tie gourd is a product made of aluminum alloy as the main material. It is self -heavy and easy to carry. The self -weight is only half or one -third of the steel hand -made gourd. Reitzer's sodium aluminum alloy hand pulls the gourd with a 5mm galvanized lifting chain imported from Japan. The Japanese imported handle is light and light, which is more suitable for power construction operations. NGK aluminum alloy hand pulling gourd is also suitable for power construction, such as high Qinling Mountains, the terrain is intricate, and the vehicles cannot pass. The construction staff must carry the heavy hand pulling gourd to the mountains to reach the destination. The aluminum alloy hand pull the gourd can solve this problem to a large extent. Its small self -weight is much lighter than the ordinary hand pulling the gourd, which reduces the construction burden. The British pigeon card is a strong and durable steel hand -made gourd. It uses 80 -level manganese steel to stand up to heavy chains. The specifications of hand -tip gourds are: 0.25 tons, 0.5 tons, 0.75 tons, 1 ton, 1.5 tons, 2 tons, 3 tons, 4 tons, 6 tons, 9 tons.