The new PM5 Hand Piece Lenses The PM5 Series handpiece comes with up to 5 lenses. Multiple sets of lenses work together to meet your different clinical function applications. Hand Piece with Finger Switch and Large Rolling Ball (30mm in diameter) This treatment head is for use in muscular or deep soft tissue injuries and should be perpendicular to the skin, not approaching at an angle, it could be pressed for muscular 360° massage. The Large Ball can be used at power settings up to 26W. Hand Piece with Finger Switch and Medium Ball (30mm in diameter) This treatment head is for use in muscular or deep soft tissue injuries in tight spaces or near sensitive areas, this medium ball is not recommended for use over bone, open wounds, non-intact skin or areas that would be sensitive to contact. The medium ball head is recommended for most of laser contact treatment. The Medium Ball can be used at power settings up to 26W. Hand Piece with Finger Switch and Small Ball (10mm in diameter) This treatment head is for use in muscular or deep soft tissue injuries in tight spaces or near sensitive areas, this small ball is not recommended for use over bone, open wounds, non-intact skin or areas that would be sensitive to contact. The Medium Ball can be used at power settings up to 15W. Hand Piece with Finger Switch and Non-contact Cone (30mm in diameter) This treatment head is for general use and applications where no contact or soft tissue manipulation during treatment is desired. The Non-contact Cone can be used at power settings up to 26W. Hand Piece with Finger Switch and Bended Head (5mm in diameter) This treatment head is for laser acupuncture where is not suitable for perpendicular treating. The Bended Head can be used at power settings up to 8W.