Fishing sinker fish being pursued, the environment, the current and personal preference. Pyramid sinkers are shaped like a pyramid and are used when it is desirable to anchor on the bottom of water bodies. They are attached to the terminal end of fishing line by loops of brass. Barrel or egg sinkers are rounded and often bead-like with a narrow hole through which fishing line is threaded. These sinkers are desirable on rock or debris covered substrates. Split-shot sinkers are small and round with a split cutting halfway through the sinker. The split can be placed on a piece of fishing line
Arbor press pedestal. The base is usually constructed of cast metal. A "ram" provides the force; it may be square or round. The ram is usually driven by a rack and pinion setup, to improve the mechanical advantage. Higher force arbor presses have another gear reduction. Forces are usually generated by manual or hydraulic input. Arbor press An arbor press is a small hand operated press. It is typically used to perform smaller jobs, such as staking, riveting, installing, configuring and removing bearings and other press fit work. Punches, inserters, or other tools/dies may be added to the end of the ram