jasper tools jasper 390 xlc precision circle cutter router jig for compact, & cordless routers - circle guide kit cuts perfect xl circles from 7 to 52 ¾ d is up for auction in Industrial & Scientific. The current bid is $2.50, 96% below the $64.96 MSRP, in Good Condition. Bid on this item at our Dayton - Edwin C. Moses Blvd. location before the auction closes.