This high output biscuit square 5 pin slide-out switch is durable and functional for 40 amp use, is low profile and contoured for a clean look, and can be used with a 5W-125 or 5W-1212 harness. 40A @ 12V DC, UL, CSA, and VDE. Size - 1.75" x 1.10" Cutout size - 1.46" x .94". 1/card.