Picks R6/22 RX/22 RX/22 HD RX/22 HDR RS/22 RK/25 HD Selection of picks due to the type of soil: Model Abrasive soil Soil without stony inclusions Stony soil R6/22 • • RX/22 • • • RX/22 HD • • • RX/22 HDR • • • RS/22 • RK/25 HD • • •