Peak Design Pro Tripod Hex Tool Black. Stows in the center column and contains both a 4mm and 2.5mm hex driver enabling you to tighten or adjust all hex connections on our Pro Tripod family. Specifications for Peak Design Pro Tripod Hex Tool: Manufacturer: Peak Design Color: Black Package Contents: Peak Design Pro Tripod Hex Tool Hex Tool Peak Design PTA-U-HX-1: Pro Tripod Hex Tool Black