Description Overview Wire diameter: 2.1 mm Spring height: 150 mm 5 turns per spring Specifications Twin size: 970 x 1880 x 150 mm, spring count 9 x 24, wire 2.1 mm Full size: 1370 x 1880 x 150 mm, spring count 12 x 24, wire 2.1 mm Twin size: 750 pcs, rolled by 10 pcs in a roll Full size: 770 pcs, rolled by 7 pcs in a roll Packaging Packing: 7 or 10 pcs in one roll in paper