With superior aluminum alloy material, it's durable and practical. Accurately and effectively elicits muscle stretch reflexes, superficial or cutaneous reflexes, as well as plantar and abdominal reflexes, less effort and greater patient comfort, more intuitive and accurate. Features: 1. Superior aluminum alloy material, it's durable and practical. 2. Test for muscle stretch responses, joint reflexes, and even bone fractures in the joints. 3. Accurately and effectively elicits muscle stretch reflexes, more intuitive and accurate. 4. Humanized handle, comfortbale to grip and hold, suitable for long time use. 5. Needle design in the bottom, test nerve reaction by sharp objects. 6. Medical grade silicone head of hammer, moderate hardness, safe to use. Specification: Item Type: Neurological Hammer Material: Silicone + Metal Color: Black + Silver Item Size: 22 * 9cm / 8.7 * 3.5inch Package Weight: Approx. 147g Package List: 1 * Neurological HammerSafe to use: Medical grade silicone impact hammer, moderate hardness, will not cause secondary damage to the place used, safe to use. Human body mechanics design: humanized handle is comfortable to hold, suitable for long time use. Material: High quality aluminum alloy material, durable, practical. Versatile: The needle at the bottom is designed to test the neural response of sharp objects. Purpose: Test muscle stretching response, joint reflex, even joint fracture, accurately and effectively stimulate muscle stretching response, more intuitive and accurate.Best Sellers Rank: See Top 100 in Industrial & Scientific. : B0BWTRZ6X5. Manufacturer: Delaman. Date First Available: February 25, 2023. Product Dimensions: 0.39 x 0.39 x 0.39 inches; 5.29 Ounces.