This is a Package of Twelve 3/32" Tungsten Carbide Balls / from ACER Racing. / / FEATURES: Durable and resistance against wear, shock and impact / Carbide balls can last for race after race without being replaced / Each set of balls is matched for consistent concentricity / All balls are Grade 10 / / INCLUDES: Twelve 3/32" diameter Tungsten Carbide Balls / / REQUIRES: Installation / / SPECS: Diameter: 3/32" / / tlw 11/28/07 / ir/jxs