Used to test nerve reactions (sensitivity) as it rolled systematically across the skin.
Made of stainless steel, anti-rust, durable for long time use.
Have an anti-skid handle, comfortable to hold and easy to operate.
The wheel, which has evenly-spaced radiating sharp pins, rotates as it is rolled across, providing excellent tactile feedback.
A necessary tool for neurosurgery and orthopedics doctors, and it is also suitable for medical students and other clinicians to conduct neurophysical examinations.