Boom Racing #BRVKH7023TGM Aluminum Servo Horn (23T) For KO, JR & Sanwa Servo Gun Metal Fits most rc cars and trucks. Lightweight upgrade instantly enhances overall performance in handling and durability. Description: aluminum servos are pretty much a must-have part for tough crawlers, and boom racing has got you covered. Say goodbye to stock plastic servo horns with this super-tough anodized aluminum servo horn. Designed for ko, jr, spektrum and sanwa/airtronics servos and usable in a wide range of cars, it fits a 23t spline mount perfectly and is available in an entire rainbow of beautiful anodized colors for that personal touch. Color: gun metal. Takes 7 to 15 business days by standard airmail shipping. 80% of packages arrive within 10 business days. Most packages ship within 12 hours. Please allow 1 extra day if order is placed during the weekend. Expediated shipping is shipped by dhl or fedex. Arrives in about than 2-5 days. Major cities will receive orders earlier.