The Maver Clean Cap System protects the end of the pole sections from accidental damage due to misplaced alignment and cleans out the inner female joint every time you unship. Designed originally for Maver production, they also fit all other makes of pole. Sizes Available = 14mm, 16mm, 18.5mm, 21mm, 22mm, 25.5mm, 27mm, 29mm, 31.5mm, 33mm & 35mm. Quantity per packet = 1