Uncle Mikes Kydex Double Mag Case gives your magazines the same protection as your firearm. The internal tensioning device is for security and it fits belt loops up to 1 3/4" or can be clipped over a waistband.
Specifications:

Type	Mag/Cuff Pouch
Color	Black
Material	Kydex
Size	Fits Belt Loops up to 1.75"
Model	Double Magazine Pouch
Finish	Smooth
Model Fit	1911 Type Single Stack Mag
Mount Type	Belt Clip
Belt Size
Shell Count	None
Caliber or Gauge
Compartments