Manufacturer of extension bar, Tien-I is professional in manufacturing extension bars. Although we are relatively young, Tien-I still insist on supplying the best quality to customers and the complete specification of extension bars to suit complex needs. The extension bar is convenient for working in very restricted spaces or when the socket provided cannot reach the bolt to be tightened. With our strict manufactory quality examination, best quality is guaranteed. Contact us if you have any questions regarding our extension bars!
