found at DigiDirect
The Gitzo long spikes for tripod, stainless steel, set of 3 is a stainless-steel spike offered as a tripod accessory. This set of extra-long spike feet provides reliable footing on soft ground to intrepid photographers using all kinds of Gitzo tripods (except Series 1) to capture images of the great outdoors. These 120mm long spike feet are made from the highest-quality stainless steel and weigh 20 grams.
Supplied with big and small spacers and attach to different-sized tripods via 3/8 screw attachments.
Based in Northern Italy at Bassano del Grappa, Gitzo has been working for over 90 years to design and produce the best possible camera accessories and supports using the simplest, most straightforward, and elegant solutions allowing Gitzo to pioneer some of the most advanced and revolutionary technologies.