Click to expand Tap to zoom Traxxas 1539 - U-Joints (2)/ 3Mm Set Screws (4) by Traxxas Out of Stock $10.95 SKU TRX1539 1 2 3 4 5 6 7 8 9 10+ Quantity Quantity Out of Stock - Please ask us to order it for you. Traxxas 1539 - U-Joints (2)/ 3Mm Set Screws (4)Brand: TraxxasPart Number: 1539Replacement or upgrade part for these Traxxas models:38104 - Blast Boat