The MB3 Buckle Module allows you to completely customize your MB3 Outer Belt to support virtually any buckle you wish to use with it. They contain all of the necessary parts and hardware to mount the buckle of your choice in either a fixed or adjustable configuration. Available in 1", 1.5" and 1.75" sizing options to accommodate a huge variety of buckle options. A COMPLETE MB3 BELT REQUIRES:1 - MB3 INNER BELT1 - MB3 OUTER BELT1 - MB3 BUCKLE MODULE1 - MB3 BUCKLEWeight: Fixed Module with Hardware: 1.1ozAdjustable Module with Hardware: 2.1ozFeatures: Laser-cut Curv, laminate and webbing construction Allows the use of virtually any buckle with your MB3 Outer Belt Low-profile and lightweight design Extremely durable Proudly made in the USA Includes: 2x MB3 Fixed Buckle Module Ends1x MB3 Adjustable Buckle Module End with elastic keeper8x 3/16" T-Posts8x 5/16" Fat Head Screws4x Metal Washers1x 1.8ml tube of Blue Loctite