Ridge Monkey RB Anti Tangle Sleeves are semi-stiff rig sleeves designed to fit over any size 8 swivel, helping to prevent tangles and aid in pinning your rig down. They come in two colour options: Green and Brown, and RockBottom Tungsten Grey. - Semi-stiff - Translucent finish - Fits over any size 8 swivel - Available in 25mm and 45mm For the RockBottom Tungsten Grey version: - Tungsten-impregnated semi-stiff tapered sleeves - Eazi-grip ribs to help slide on/off when hands are wet - Designed to use with any size 8 swivels to prevent tangles - Designed to aid pinning your rig down - Available in 25mm and 45mm