4 IDLER TIRES for AMPEX Dual Capstan 700s 800s 900s 1000s 1100s 1200s 1300s 1400s 1500s 2000s 2100s AV-770 LD-700 M860 M985 121/2 High quality and perfect fit. A good quality idelr tire is very important for proper operation of your tape deck. Each machine uses 4 internal drive wheels and each drive wheel uses 1 tire. Ships same or next day depending upon time ordered. Normal delivery with USPS delays averages 3-7 days. Belts are bulk purchased and packaged by us. Our idler tires are guaranteed for 1 year! About Us: We are an authorized warranty repair center and service over 30 brands. Our belts are PRB brand and have been manufactured within the last 90 days. We never sell old stock or Chinese belts. A cheap belt not made properly can cause wow and flutter issues. The belts we sell are the same belts we use for our warranty and out of warranty repairs. Questions? I usually answer within a half hour during the day! I appreciate your business!!