45mm / 1.75″ Hard Coated COBRA® ProStyle – Dual Adjustable Description The COBRA® locking mechanism is patented and guarantees highest safety. A one-sided opening of the lock is not possible even when under load. Thanks to the identical locking mechanism, all COBRA® sizes are compatible. in combination with a fitting webbing, the minimum guaranteed load capacity of the COBRA® is 18 kN in loop configuration. Weight – 74g Size – 1.75 inch / 45 mm Min. breaking load – 18 kN Material body – Aluminium Material clips – Brass Characteristics – standard clips, both sides adjustable The new COBRA® ProStyle version is not interchangeable with the previous COBRA® Original version. About Cobra Buckles AustriAlpin buckles are renowned as the best safety buckles in the world however as they.