Garelick Low Profile Seat Slide Allows helm or boat seats to adjust fore and aft Slide mounts under seat in between seat and pedestal base Convenient handle provides solid locking at any position Compatible with most 360 spiders Wobble-Free DesignOperation Anodized aluminum with stainless steel hardware Spider swivel casting 99023, 99036 not included Full Length Size for roto-molded seats 5 13cm Fore and Aft Travel 8.5 W x 13 L x 1.63 H 22cm x 33cm x 4cm For Low Profile installations where slide