LIGHTWEIGHT SUPPORT WITH EXTRA STORAGE. Black, sleek, and filled with pockets to store your materials, the Aluminum Pocket Base is a great option for fly tiers. It’s lightweight design still provides ample support for our vises while allowing you to take it on the go if you do a lot of classes or tying on the road. The Aluminum Pocket Base has the same features as the Bronze version above but weighs in at 1lb 6 oz.