The Microdont Stainless Steel Abrasive Strips are very flexible and adapts to the contoured proximal regions for all type of filling. Used on composites, acrylics, glass ionomer cements and amalgam (metals), they are available with 2.5, 4.0 and 6.0 mm width. Also they are made double faced for specific procedures. For easier insertion they have the center gapped. All of them are autoclavable.