Feature●Durable T6061 aluminum construction with Type-III hard-anodized finish for corrosion and abrasion resistance.●Replaceable Arca QR plate for direct mounting on Arca standard tripods; includes two plates of different thicknesses.●Double-headed T-shaped screw structure compatible with equipment widths between 1.14 inches (29mm) and 2.68 inches (68mm).●Rubber pads for increased friction and protection against scratches.●Triangle Lock-knob for easy operation even with gloves on.Description