MDF Buck Neurological Hammer is a versatile dual mallet-type hammer with screw-in pointed tip and retractable brush is designed and suited for attaining myotatic and cutaneous responses. Head: The balance-weighted head is outfitted with a large and small mallet constructed of soft TPR for precise percussions. Handle: The ergonomic chrome-plated brass handle is precisely balanced for increased control of force in the percussion. Retractable Brush: The built-in retractable brush at the base of the handle can be easily accessed to elicit cutaneous reflexes. Integrated Pointed Tip: The recessed chrome-plated brass head is equipped with a screw-in pointed tip for pinprick cutaneous reflex testing.