High Frequency Motor in Head Immersion Poker Vibrators are Oprerated Through Frequency Converters. High Frequency Immersion Poker Vibrators Covers the entire area of internal vibration fastech provides different diameters for any kind of vibrators Fastech pokers is supplied as standard 5 meter protected hose and 14 meter cable with CEE connector. Fastech pokers is available with other hose and cable lengths on request. Fastech pokers is available in 4025 MM DIA., 45MM DIA. & 52MM DIA. On Request.