Any Rigid Board thickness within 1 inch（2.5cm） will work
Powder-Coated Heavy Steel Construction
Size: 8"(L) x 3.15"(W) x 2"(H)
20cm(L) x 8cm(W) x 5"(H)
16 stand Units and 16 pcs of Y-Shape Bolts are Included
Bolt Holes: 0.3"(8mm) Diameter
Weight: 1.85 LBS (0.84kg) (1 set)

4U Media&Displays,LLC.
Located in San Francisco California U.S.A.
If you have any questions, please let us know!