1% Replaceable covers, tips and rings High quality, unbreakable nylon tip provides a brighter, more articulate sound Super-hard polyurethane replaceable covers protect your drumsticks and your gear Ergonomically tuned handles Built-in Vibration Control System (VRS) Limited 60 Day Warranty Technical Specifiations: LENGTH: 15.69 inches DIAMETER: 0.540 inches WALL THICKNESS: 0.030 inches WEIGHT: 52 grams TAPER: Medium COVER: MT TIP: 5AT TIP TYPE: ST801">