(16) Black D-Ring Isolators (32) Silencers for 3/4" D-Rings JJKML025Eight (8) Sets of New Aftermarket Replacement Black D Ring Isolators and Silencers for Standard 3 4" D Rings and Shackles This value kit includes eight complete sets of black polyurethane D ring isolators and silencers designed to eliminate rattling and protect your bumper finish from metal on metal contact. Each isolator snaps directly onto a standard 3 4" D ring or shackle, while the included silencer washers cushion the mounting points to prevent