Sure-Loc S360416UP 3/16" x 4" x 16' Unpainted Steel Edging - Sure-Loc steel edging offers your landscape design a permanent solution to edge control. This 3/16" x 4" x 16' Unpainted Steel Edging is primarily used in commercial, industrial, institutional projects, and other high traffic areas. Straight runs are easier than with 1/8" material with only slightly reduced flexibility. Applications include, but are not limited to, driveways, asphalt, maintenance strips, running tracks, pathways, and bed division.