Size: 5 inch, thread 5/8-11 Material: rubber and metal; thin rubber backer pad Purpose: designed for connecting polishing tool and polishing pads Construction: rubber body soft and strong; provides longer working life; can bear heavy duty work; a little flexible Max RPM: 5000 Benefits - Durable rubber body extends life and handles heavy-duty use - Flexible enough to accommodate minor surface irregularities while maintaining a secure pad attachment - Reliable tool-to-pad connection for consistent polishing results Applications - Automotive detailing: connect pads to polishing tool for paint polishing and finishing - Wood and metal finishing: use with polishing compounds on furniture, metal parts, or trim - General polishing tasks: suitable for various projects requiring pad-to-tool connection up to 5000 RPM