3 to 4 taels. According to the query Chinese food network, a good weight of Yangcheng Lake hairy crabs is 3 two to 4 two, the weight of Yangcheng Lake hairy crabs to maintain 150 grams to 200 grams, according to the traditional Chinese unit of measurement to calculate, it is in three two to four two. Yangcheng Lake hairy crabs, Jiangsu Province, Suzhou City specialty, China's national geographic indications products, Yangcheng Lake hairy crabs, also known as gold claw crab.