Sealey-PTC115VA516-Hook-Loop-Backing-Pad-115mm-5-16-UNF-Sealey-PTC115VA516-Designed-for-fitting-to-many-electric-&-air-sanders-when-being-used-for-polishing-115mm-with-5-16-UNF-thread-enables-use-with-150mm-hook-&-loop-backed-buffing-&-polishing-foam-heads-Sealey-PTC115VA516-Hook-Loop-Backing-Pad-115mm-5-16-UNF