Free shipping for a limited time Date: May 1, 2016-September 1, 2016 1. Free shipping nationwide for a single order over 99 yuan, excluding Hong Kong, Macao, Taiwan, Inner Mongolia, Hainan, Gansu, Qinghai, Ningxia, Tibet, Xinjiang and a single free shipping baby can also be free shipping for orders under 99 yuan, contact customer service to change the shipping cost after placing the order
The body of the self-tightening and the iron head are the same, but the position of the drill bit is different, the self-tightening is more convenient, the iron head is more durable, and the choice is based on personal usage habits.