AOP Formwork have normal BFD Coupler and long BFD Coupler products. The BFD Coupler was designed by PERI formwork at first. Our BFD Coupler was made by high strength steel and forged wedge. it can be used in any environment. BFD Coupler Panel Formwork clamp is good products for high quality formworm clamp. we can revised the this products according to your formwork profile. also we can custom made logo in the BFD Coupler to help you build brand. Forged wedge in the BFD Coupler have help clients to add products life.