RTS 62 tunable, without cross frame Frame Drum diam. 60 cm/24 Schlagwerk Frame Drums natural stand for a completely pure, natural sound. They are available in different sizes with practical and useful features. Schlagwerk Frame Drums can be tuned using tuning screws integrated within the frame, and allow the subtlest nuances of sound and tone volume. Models RTS 41/51/61 also come with a wooden cross to allow comfortable and convenient playing.