... include: 1204, 1604,1605,1610,2004,2005,2010,2505,2510,3205,3210,4005,4010,4020,5005,5010,6310, the max length ... screws and nuts upon customer's requests. We are the TBI brand certificate LEGAL HOLDER & MANUFACTURER approved by Chinese Goverment. ... Why you buy from us?Factory directly supply; TBI brand advanctage; Honesty, innovation, professional, High-efficiency. Clink this link ...