Profile: Rayhome Ltd. specializes in offering shims for alignments. Metric pre-cut shims are made of stainless steel to prevent corrosion from exposure to acids or alkalis. They are available in several machine foot sizes, each with different thickness options to give the right alignment correction facility for almost any machine. They are completely flat, ensuring stability and consistent machine support over the full surface of the shim. Imperial pre-cut shims are available in several machine foot sizes, each with different thickness options to give the right alignment correction facility for almost any machine. They are easily and quickly identified by permanent marks indicating thickness.