ROCK GRABRZ are designed for the toughest use climbing on slippery weed-covered rocks, deep, snow-covered ice and serious ice trekking where a sharp, deep bite is required for safety and traction. The large, solid carbide head is designed to bite deep into the surface and to provide a positive grip for the user. The integrated washer head prevents roll-overs for a better bite. They will even grip on rocks. These boot studs are a must for all serious surf-fishermen, cavers, rock climbers, mountain climbers. Theyre easy to install and can be removed when not needed and re-installed again when needed.

Comes with Installation socket tool.

-Installation should be done with a drill-