5 Inch Gutter End Caps For Aluminum K-Style Gutters Low Gloss White Often Reffered to as 30 Degrees White by Gutter Manufacturers 5" is Measured From Front to Back (not the depth) K-TEC GUTTER SUPPLIES is a US Company That Keeps Inventory in Amazon Warehouses Ready to Ship K-TEC supplies hard to find proffesional gutter parts to the public. These are sturdy aluminum k-style end caps for 5 inch gutters, often hard to find in your local hardware store. 5 inch reffers to the gutter size which is measured from the back (fascia) out horizontaly to the outer edge of front lip of gutter. You will need a pair of end cap crimps to properly crimp these end caps on to your gutter and then seel with gutter sealant.In a pinch you can use a pair of pliers to squeeze the edges on to your gutter but then you will be relying on the sealant to hold them on. These end caps are sold in a pair of 2, (one left and one right)