This link is used with 1-5/16 in. Quick Release Pins (am-2579) to interlock panels to make up the official FIRST Tech Challenge perimeter am-0481a. Two of these links and four pins are needed per intersection.
Specifications
Height: 0.75 in.
Hole Pattern: 2 0.190 in. holes 5.26 in. apart
Length: 10.0 in.
Material: 6063-T6 Aluminum
Width: 0.50 in.