Zeiss Pro Series Tripod Accessory Rock Bag Black. This rock bag allows you to temporarily add weight such as rocks to your tripod providing additional stability in windy conditions or when using bulky devices. Compatible with all ZEISS Pro-Series tripods this accessory is perfect for photographers and outdoor enthusiasts seeking reliable support for their equipment. Backed by a two-year warranty the accessory bag ensures durability and peace of mind during your adventures. Specifications for Zeiss Pro Series Tripod Accessory Rock Bag: Manufacturer: Zeiss Color: Black Features of Zeiss Pro Series Tripod Accessory Rock Bag ENHANCED STABILITY - Allows for the addition of weight such as rocks to improve tripod stability in windy conditions or when using bulky devices. Package Contents: Zeiss Pro Series Tripod Accessory Rock Bag Zeiss 2708-896: Pro Series Tripod Accessory Rock Bag Black