Quick Release Plate - TOOGOO(R) Pistol Grip Ball Head with 1/4" Screw Quick Release Plate for Canon Nikon Pentax DSLRs Tripods Monopods Black The very act of taking your hand away from the grip locks the head into position, which eliminates the extra step of having to tighten a knob or lever before being ready to shoot. You have immediate access to half of a sphere in which to position your camera. 1/4" Screw Quick release plate with lock allows you to remove your camera at a moment's notice. Compact and convenient trigger-style tactical ballhead. Can be used with tripods or monopods that have either a 1/4"or a 3/8" threaded center column post.