Sound steel tines with a strength of 1950 N/mm² in tolerance T3, grinding accuracy of 20 cents, head width at the rivet 6 – 8 mm with corrosion protection. Reeds made of Al alloy with hardness 120 HB. Channels pressed by precision shearing system and Ra 1,2 micron surface. Reeds machine riveted with a clearance of 0,03 – 0,05 mm. Tuning to customer’s request with an accuracy of 3 cents. Reeds can be supplied with leather or plastic valves or directly waxed in the locusts, according to customer’s request.