Load Capacity: 150KGS for Creeper. 120KGS for Seat. 6 Caster with 2 swivel casters for simple mobility. Size for Creeper: 92 x 44 x 12cm. Size for Seat:45 x 44 x 38cm. Material: Steel. Functions: Effortlessly changed over from creeper to seat for your support comfort. Thick cushioned pads for comfort. Effortlessly retractable pin to change seat.