Conduit Service Entrance Cap; Type Mast, Slip-FIT Screw; Trade Size 2-1/2 Inch x 2 Inch; Number of Holes 6; Hole Size (1) 9/16 Inch, (2) 3/4 Inch, (3) 1 Inch; Size 5-5/16 Inch L x 3-15/16 Inch W x 6-1/2 Inch H; Material Plain Aluminum; Approval UL 514B; Used On IMC/Rigid Conduit; ROHS Compatible; Applicable Standard NEMA FB-1