Rolling Convenience for Your RCF Sub Stop carrying that heavy sub to the show — roll it instead with this Subwoofer Wheel Kit from RCF. This set of locking casters is designed specifically for a host of RCF subwoofers, increasing the mobility of your speaker and ensuring a perfect fit. Sweetwater sound techs love the swivel housing with double ball race, which makes this caster smooth and durable. Made from zinc-plated pressed steel, the wheels fit securely with a 4-screw mounting plate to ensure stability. Save your energy for the performance with this time- and energy-saving RCF Subwoofer Wheel Kit for your speaker. Note: Only compatible with specific models. Please consult the chart below or your Sweetwater Sales Engineer to determine compatibility with your subwoofer.Compatible with the following RCF speakers: SUB-708/708mk2 SUB 708-AS MK3 SUB-8003 SUB-8004 SUB-8004AS SUB-8006 SUB-8008 SUB-8008AS SUB-9006 SUB-9007 TTS 36-A RCF Subwoofer Wheel Kit Features: 4