Material: High-strength metal engineering plastic, non-slip texture, easy to release arm force Easy to use: The sink wrench for common faucet installations and sink strainers can easily rotate at awkward angles without scratching your chrome Wide application: suitable for supply nuts/shutoff valves/strainer baskets/supply line nut/faucet nuts and can work with most 2, 3, 4 and 6 tab lavatory nuts. Different slots and holes in the tool accommodate different bolts under the sink. PERFECT DESIGN: Allows you to turn hard-to-reach mounting nuts on faucets, sprayers, and faucets ball