Have 8 cartridges to use on face and body Can use 1.5mm 3.0mm and 4.5mm cartridges on face -1.5mm for areas near the eyes and mouth -3.0mm for cheeks, chin, areas near the eyes -4.5mm for for cheeks, chin These 3 heads are used in facial for: 1. Wrinkle removal: eyebrow, face, neck, forehead; Elevation 2. Skin: brow lift, double chin lift, face lift. 3. skin rejuvenation, skin tightening; 4. Malar augmentation. 5. Nasolabial Fold removal; 6. removal of eye bags. Can use 6.0mm 8.0mm 10mm 13mm and 16mm cartridges on body -6.0mm For Back Neck -8.0mm For the back and the area above the breasts -10mm For arm and Calf -13mm For Belly and Thigh -16mm For Hip These 5 heads are used in body, main for: 1. Butterfly arm 2. Raise the curve of the chest 3. Eliminate fat in back and back neck 4. Tighten the leg fat 5. Raise the curve of the hip