Hampton Bay Designer Series Edgeley Assembled Wall Kitchen Cabinet in White Garbage Disposals Concave step on the bottom Concave step on the bottom of set up bar straddles your router bit or saw blade to allow for precise height adjustment Step on the top edge of set up bar acts as a gauge to test depth of your completed cuts Step on the end of each set up bar can be used to set the distance from table saw blade or router bit to the fence Made from aluminum to prevent damage to router bit in case they make contact during setup 7 bars with sizes of: 1 8 It improves nutrient uptake during and between feedings while the frameless design offers seamless integration into modern spaces suitable for kitchen use