ASPS-DR-JZDRA-220SPComponents: ShelvesFour shelvesInterchangeable inserts -- mix and match CastersFour 6” poly swivel casters with brakes Inserts: Inserts made of copolymer material: § Dishwasher safe, temps up to 212° § Shatterproof and resists sharpening JZDRI-41.125” spacing55 slots per shelf, 220 per rack Use JZDRI-5 inserts instead for 12x20 hotel pans Run inserts through dishwasher for better sanitation and restore to ‘like new’ Plastic inserts prolong life of pans and trays instead of scraping over all metal drying racks Construction/material: Sturdy construction specifically designed for the demanding corrections environmentAll welded constructionAll fasteners are tamper-proof JZDRA (Aluminum)Type 6063-T5 aluminum alloy with wall thickness of 0.070”.