Reduces glare on sight lens. Non-reflective internal texture. Machined from lightweight aircraft-grade aluminum. Neoprene cover included. 1.5 in. total length (1.15 in. from base of threads).
WARNING: This product can expose you to chemicals including chromium, which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go towww.P65Warnings.ca.gov.