PRODUCTS / SHARKCAGE / ACCESSORIES / PRODUCT SPECIFIC Accessories to expand STACK RACK XXL+ capabilities. MEDIUM WST INSERT (Width / Depth / Height) 65 '' / 37 '' / 2'' 164cm / 95cm / 6cm This description will be used on category pages for the productSpecial rack for storing and securing wheels in the TACTICAL LOCKER MEDIUM. WST LARGE Extender (Width / Depth / Height) 4 '' / 45 '' / 33'' 9cm / 113cm / 83cm Extender that can be added to the WST I to increase the height and accommodate the largest wheels. metric / US (imperial)