SR-M54 Special door shutter doors
ABS 120 * 80 * 32mm
SR-M55Z Special door shutter doors
Zinc-alloyed 106 * 38 * 10mm
SR-M55AL Special door shutter doors
Aluminum 106 *38 *10mm
SR-M55ZL Special door shutter doors
Zinc-alloyed 106 * 38 * 10mm
SR-M57 Special door shutter doors
Zinc-alloyed 104 * 50 *10mm
SR-M59 Special door shutter doors
Zinc-alloyed 87.3* 56.5* 37.5mm
SR-M60 Special door shutter doors
Zinc Alloy 105 * 48 *10mm