Blackbird Float Stops are designed for use with all types of slip floats. These bobber stops are made from high-quality latex rubber for maximum grip, and they provide a quick and easy line threading system that allows for fast, strategic and secure float adjustments. SizeLengthWidthSmall5/32 in.1/16 in.Medium3/16 in.3/32 in.Large7/32 in.1/8 in.