Hign-concerned Chemical:NoneApplication:BODYMaterial:PlasticBrand Name:OYJYOrigin:Mainland ChinaType:massage headFeature:Upgraded 15 PCS Massager HeadsFeature 1:Easy To Use and CarryFeature 2:Reliable Materials and Good QualityUsage:Suitable for most massage gunsSize:Fits for 18-19 mmMassage Gun Heads Replaceable Massager Attachment 15 Different Muscle Heads For Deep Tissue Muscle Massage Gun Accessories Main Features: 1.15 DIFFERENT HEADS: 15 Replacement Massage Heads Ball head suits for large muscle groups; U-shaped head suits for cervical vertebrae;Small round head suits for joints;Flat head suits for whole body. 2. MASSAGE TOOL ATTACHMENT: Match with fascia tool, using scientific vibration frequency and amplitude, muscles can be activated. 3. MATERIALS: ABS, metal, silicone, eva, pu. This environmentally friendly material, close to the skin, tasteless,no harmful substances, safe to use. 4. Easy to carry: The percussion massage tip is Small and practical, the health care ball is small, easy to use .cost-effective, and can be washed directly with water. the percussion jigsaw massage bit mainly massage large muscle groups, fascia relaxes, reduces soreness and is more effective. 5. Easy To Use: The mounting slot does not need to polish, plug-n-play massager. Mainly massages fascia relaxation, large muscle groups,reducing soreness, and training more effectively. Suitable for sports fitness personnel, athletes,weightlifters, enthusiasts, runners, etc. Specifications: Material: ABS, metal, silicone, eva, pu Color: Black, Yellow Diameter of connecting rod: 18-19 mm Applicable parts: muscular parts Kindly Noted : This Massage Heads just fits for 18-19 mm massage gun ! Package Included: 15 PCs/Set x Massage Tool Head Precautions 1 Do not touch or press the massage head during operation. 2. Do not continue to use the same part for a long time. 3. Do not use on weak bones and muscles. 4. Infants, minors, pregnant women, those who wear pacemakers, have broken bones,or have metal contents in their bodies, do not use it. 5. If you feel unwell, stop using it immediately.