Garelick/Eez-In Millenium Series Smooth Series Seat Slide System - Right Hand Lever Heavy duty anodized aluminum slide plate has standard 5"x12" hole = pattern to accommodate standard seat mounting holes Meets ABYC-H31, Type A Standards & Garelick performance standards Heavy duty anodized aluminum slide plate has standard 5"x12" hole pattern to accommodate standard seat mounting holes Positive Lock Slider & Spider Combination Left Hand Lever, SilverPowder Coat Finish Heavy duty anodized aluminum slide plate has standard 5"x12" hole pattern to accommodate standard seat mounting holes Meets ABYC-H31, Type A Standards & Garelick performance standards Heavy duty anodized aluminum slide plate has standard 5"x12" hole pattern to accommodate standard seat mounting holes Positive Lock Slider & Spider Combination Left Hand Lever, Silver Powder Coat Finish