Isolates mic from physical vibration, floor, and stand noise Durable construction for longtime use Compatible with all those microphones SAMSON C01, C01-U, C01U Pro, C03, CL7, CL8, BEHRINGER C-1, C-3, MXL 440, AKG Perception 120 USB, 220S 420S 3/8 inch thread adaptor Shock mount may not be compatible with some Microphones