The vanguard tbh 300 is a heavy duty ball head that offers security versatility and ease of use when composing your shots the tbh 300 features a fine tuning knob with locking knob that gives total control over ball friction for precise adjustments the easy to grip lever can be repositioned easily for comfortable use and provides secure locking so your gear stays in place no matter the angle an anodized surface on the ball ensures it will remain scratch free and provide ultra smooth and pre