1The whole adopts 304 stainless steel material, corrosion resistance and durable to use. 2Easy to use, convenient installation, safe and durable, wonderful massager replacement part. 3Heat resistance, low temperature resistance and high strength, good mechanical properties for reliable use. 4Special designed for singlehead spine correction massager, wonderful replacement part. 56.5 x 4 x 2cm / 2.6 x 1.6 x 0.8in of the size, there are 2 different colors available for you to choose.