The Terra Vise Extender features a durable steel construction and is designed to create additional space for the vise. The extender helps reduce stress on your neck, back, and shoulder by moving the vise up and away from your desk, giving you extra comfort when tying flies. The Terra Vise Extender won't disappoint with its stout profile and the low-cost price. Durable steel C-Clamp Please note: This does note include a vise.