Specification:

1 X 3-Slot: Weight 1.48oz; Size: 3.14*0.86 Inches

1 X 7-Slot: Weight 2.0oz; Size:4.3*0.86 Inches

1 X 11-Slot: Weight 2.85oz; Size: 5.9*0.86 Inches

Package List:

1 x 3-slot MLOK Rail

1 x 7-slotMLOK Rail

1 x 11-slot MLOKRail

7 x MLOK Nuts  

7 x MLOK Screws 

1 x Wrench