двери гаража части (устройство безопасности)

garage door parts garage door fittings,industrial door sectional commercial door parts, garage door spring broken safety device, Features: a.2" spring break safety device,for garage door spring ID 50.8/67 b.it including 25649-50 ,25649-50u,25649-67 ,25649-67u c.inter distance :50mm 67mm d.material thickness is 3.0mm e.zinc plating thicness is 5-8mu Packing: 1.standard packing 2.20pc/carton 3.54ctn/pallet 4.or packed according to your resquest FUNCTION: Once the torsion spring is broken ,this CE aproved device can keep the hurt away from the door out of controlling!!! Why choose us? 1.We are specialized manufactory in doors hardware . 2.More than 20 years experience in door hardware. 3.One of the largest enterprises of design,develop,sales of garage door part. 4.We refuse to sacrifice quality. 5.There are more than 100 partners from over seas and lots of domestic market. We have high quality and the best price! Sincerely welcome all frinnds call letters,we are ready for your needs!