Manfrotto's Pistol Grip Head takes the versatility of a ball head and adds true ergonomic control that locks into place precisely where you need it. The revolutionary design of its grip handle allows you to make minute adjustments to the position of your spotting scope or camera with one hand. Control for pre-setting the friction of the ball when unblocked. Security lock prevents accidental release of scope or camera. Single locking mechanism blocks or frees all movement for speed of use. Magnesium construction. Built-in bubble level.