This one stand mounts two drums and two arms from a single platform mount stand, works great for acoustic or electronic kits too. Hinged height adjustment with elliptical leg base creates a solid foundation for the platform mount. Platform mount uses ball L-rods, and cymbal arms available separately. Ball L-rod models: SC-LBS Small 9.5mm ball L-rod SC-LBM Medium 10.5mm ball L-rod SC-LBL Large 12.7mm ball L-rod SC-HBL Hex ball L-rod