Garelick/EEz-In 2" Transom Mounting Extension Shim W: 3.62" (9Cm) H: 2.75" (7Cm) D: 3" (7.5Cm) Extends Ladder 3 Farther From The Transom. Used With Face Plate And 10 Degree Poly Spacer (99180) Included With Ladder. Made Of Stainless Steel Made Of Stainless Steel Used With Face Plate And 10 Degree Poly Spacer