Swivel levelling foot with protective collar - Up to +/-5° from vertical - Non slip base in NBR rubber 70 shore - Base: Blue polyamide (RAL5005) fiber glass reinforced - Spindle: Stainless steel 304 Advantages - Articulated rod allows auto-alignment with the ground - Sole material ensures flexibility and grip - The collar at the base of the stem limits (but does not prevent) the retention of material