Machinist hammer&sledge hammer (hammer,life hammer,hand tool) Machinist hammer&sledge hammer(hammer,life hammer,hand tool)Machinist hammer's head weights ... 've provided as below. Company Name: Shanghai AMC International Trading Co., Ltd.Add: Room B-1904, YinXiao Building, No.6269 HuMin Road ... : 86-21-64127021 Machinist hammer&sledge hammer (hammer,life hammer,hand tool)