Dental Equipment Knob Style Headrest Bracket for A12/A17/A19 Chair Headrest Bracket A12 A17 A19Knob Style Headrest Bracket for A12/A17/A19 Chair, Part Number 8017905B $1.00 Request a Quote System Overview The Knob Style Headrest Bracket is designed for A12, A17, and A19 dental chairs. It features a knob style mechanism for easy adjustments and a secure fit, enhancing patient comfort and headrest positioning. Standard Features Knob Style for Easy Adjustments Compatible with A12, A17, and A19 Dental Chairs Reliable and Secure Bracket