Peak Design Pro Tripod Spike Feet - Pro Lite Black. Ideal for shooting on ice smooth rocks and loose dirt or gravel. Also great when using heavier photo or video rigs in any outdoor setting. Simply remove the standard rubber feet on the bottom of our tripod and attach these 3 spike feet. Mounts using 3 4mm hex-drive screws. Hex tool is included with all tripods and an additional tools is included with each Spike Feet Set. Sizes available for every Peak Design Tripod: - Travel Tripod (Carbon Fiber and Aluminum) - Pro Lite Tripod - Pro / Pro Tall Tripods Specifications for Peak Design Pro Tripod Spike Feet - Pro Lite: Manufacturer: Peak Design Color: Black Internal Length: 3.1 in Weight: 96 g Features of Peak Design Pro Tripod Spike Feet - Pro Lite Achieve superior stability on slippery or loose terrain Ultra-durable stainless steel 420 construction Quickly install with 4mm hex tool (included with all PD Tripods) Package Contents: Peak Design Pro Tripod Spike Feet - Pro Lite Pro Leveling Base 4mm hex wrench 1 x microfiber pouch (same one as slide) Peak Design PTA-L-SF-1: Pro Tripod Spike Feet - Pro Lite Black