SeaSense 5001560 5 Gang Toggle Switch Panel with 12V Outlet Outer size is 4-1/4 L x 3-3/4 w, with a cut-out size of 3-3/8 L x 3-1/2 w Rated for 16 amps Reinforced corners to prevent cracking Gasket for water tight seal Each water resistant fuse holder contains two fuses: 1 in Use and 1 Back-Up Reinforced Corners Prevent Cracking From Screw Holes Gasket For Water Tight Seal Each Water Resistant Fuse Holder Contains Two Fuses: 1 In Use & 1 Backup Label Set Supplied Template, Mounting Screws And Gasket Included