Window hingeexpansion braceTechnicalreferenceindex(unit:mm) ModelNo. A B C D E F G FA-15-8" 35 55 155 168 32 149 197 FA-15-10" 35 55 175 188 32 193 250 FA-15-12" 35 55 190 203 32 200 296 FA-15-14" 35 78 227 240 32 265 338 FA-15-16" 35 78 227 240 32 261 395 FA-15-18" 35 78 235 247 32 281 447 1.stainless and long-life. 2.low price and better service. 3.price performance ratio is good.