Designed in stainless steel. Curved hoop structureRounded guide rails with blocking stops to prevent containers, racks, etc. from falling5 tube spacers Ø 1,8 cm to fit into rack tubes6 mm screws and washers for fixing the spacersSize 10 spanner included4 wheels with stainless steel body Ø 12,5 cm - 2 with brakes - Wheel temperature resistance: -20°C to +60°C