Base
BL1P13 : 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, polypropylene feet; BL1P13K: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, castors for soft floors, extra charge: castors for hard floors; BL1P19...
BL1P13 : 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, polypropylene feet;
BL1P13K: 4-star, metal, powder-coated, swivel seat - 360°, legs made of tube Ø22 mm, castors for soft floors, extra charge: castors for hard floors;
BL1P19: 4-star, aluminum, powder-coated, swivel seat - 360°, aluminium cast, legs finished with polypropylene feet;
BL1P19K: 4-star, aluminum, powder-coated, swivel seat - 360°, aluminium cast, castors for soft or hard (extra charge) floors