The Wrangler Series sights are designed with simplicity in mind. Strait pieces of Toxonics new Polymer Fibers are installed without complicated pre-bent or coiled assemblies. The new clear housing mounted through the rear of the sight block anchors the .019 fibers through a 3/8-24 light kit hole.Part No. H-3851 light kit illuminates these fibers without flooding the entire sight head, sold separately. Toxnics "Metal Optic" pins protect the fibers without any exposed loop to snag or break. Laser engraved scales and reversible exrention bar round out the Wrangler's many features MSRP $ 42.99- available in black