The butterfly clasp is a new type of construction equipment, is the ideal tool template Rod locking and anchoring. It uses a clamp the wedge bolt clamping lever drag lever unanchored, reliable work. Compared with traditional threaded Rod not only replace the nut, gaskets role, but also change the mode of operation of the traditional template Rod the effective control of the size of the template, and improve the quality of the formation of the surface of the concrete components, application tablet buckle and butterfly clasp with drawbars without processing, saving threaded processing fees, Rod material is optional, as long as the steel rod with threaded reinforced through the fixture can (generally 10-12mm rod), and Rod length informality, as long as the line long enough. Construction operation is very convenient, fast and save than threaded stays the employment of nearly 50%, and can be used repeatedly, the advantages of long life, maintenance costs Province!