Refurbish fiber optic sights by replacing broken or damaged rods, or change your sight colors to enhance your sight picture with these super-bright replacement rods. Sold in 6" lengths; cut to fit your needs. Available in four common diameters (see below). Mfg: Brownells SPECS: Fiber optic rods, red or green. 6" (15.2cm) long. 1 rod per pak.