20 Rows Medical Diagnostic PinwheelsBrand new unused professional quality product.Perfect for Neurological use. Overall length is about 7″.Head width is 4″ approx.Sharp thin rotating pins. Made from quality Brass. Fantastic Chrome plated finish. Wheel turns very easily gliding across the skin without applying major force. A common sight in the healthcare sector Directions: A pinwheel is designed to test nerve sensitivity by rolling it against the skin. The wheel consists of sharp pins evenly spaced out which rotates when rolled against the flesh. It is a very common sight in the health care sector and very popular even in the sex industry being used as a sex toy perfect for BDSM lovers.Buy with confidence.30 days money back guarantee.Domestic delivery 2- 3 & International 7- 8 working days approx. Please ask if there are any question.