1. Square hole hardware kit - 50 each M6 cage nuts and bolts

2. Fastens equipment to square hole rack mount rails

3. Compatible with all square hole racks (EIA 310D)

4. Model Type Hardware Kits

5. Shipping weight (lbs) 1

6. Shipping Dimensions (HWD/in) 4 x 1 x 6

7. Warranty Information : Limited Warranty