navegando 25cm spiked roller for self leveling concrete, 21mm needle defoaming tool with splash guard metal frame for epoxy garage flooring basement diy 21mm needle (250mm x 100mm) is up for auction in Tools & Home Improvement. The current bid is $0.25, 99% below the $25.99 MSRP, in Good Condition. Bid on this item at our Rogers - N Dixieland Rd. location before the auction closes.