Oros strike indicators eliminate common indicator pain points. There are no small parts to fumble and lose. Its streamlined design is centered on the line for balanced casting. There is no exposed fastening hardware or posts sticking out to create drag or tangle line. Oros strike indicators enclose fastening hardware inside of two molded soft foam hemispheres. When closed, the foam hemispheres compress creating a pressure fit lock that keeps it on the line and in place, without kinking. Over-sized threads make securing it to the line effortless.