45 - 56 cm diameter. Unbreakable cast iron. The massive Güttler prisma rollers for medium to heavy crumbling soils in working widths of 1.50 to 4 metres with a rigid frame. Hydraulically foldable for medium to extremely heavy soils in working widths of 4 to 6 metres. • Front implement with Duplex® Güttler prisma rollers • Safe against breakages with graphite cast iron • Extremely robust construction • Front or rear attachment as required • Modular system design, which can be retrofitted at any time: sprung tines section for heavy soils and 3-point linkage for rear mounting (drawbar kits are also available).