Add to Cart Compare Quick view ATD 6602, 3 inch Rolock Disc Holder Atd Tools & Equipment MSRP: Now: $7.25 Was: 3" Rolock Disc Holder, ATD 6602 Advanced Tool Design's 3" Rolock Disc Holder is a medium density rubber backup pad. The type III fastener has a roll-on/roll-off style, making this Disc Holder easy to use. Use this Disc... ATD 6602 MSRP: Now: $7.25 Was: Add to Cart Compare Quick view