# Knife Sharpener Adler AD 4531 with Adjustable Angle, Diamond and Carbide Stones **URL:** https://aio.lv/en/product--adler-ad-4531--12048938 **Data updated:** 2026-03-12 19:31 (EET) **Category:** Knife Sharpeners **Manufacturer:** Adler **Manufacturer code:** AD 4531 **EAN:** 5905575911353 **Warranty:** 2 Years **Availability:** Available for order **Price:** 11.99 € **Prices and availability valid until:** 2026-07-17 23:59 **Price without VAT (21%):** 9.91 EUR **Can be purchased by legal entities:** Yes (invoice) **Buy:** https://aio.lv/en/product--adler-ad-4531--12048938 ## Delivery options | Delivery method | Delivery time | Cost | |---|---|---| | Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free | | Pickup points | 29.06.2026 | 1.99 EUR | | Courier delivery to door | 29.06.2026 | 4.99 EUR | ## Summary description Manual knife sharpener Adler AD 4531 features an adjustable sharpening angle and two sharpening materials: diamond stones for restoring edges and carbide (tungsten carbide) elements for rapid re-profiling. Designed for household kitchen knives, it provides controlled sharpening across different blade types and maintenance tasks, from edge repair to routine honing. ## Long description The Adler AD 4531 Knife Sharpener with Adjustable Angle is a manual sharpening tool designed for household kitchen knives. It combines diamond stones for edge restoration and tungsten carbide elements for faster re-profiling, allowing controlled work on different blade geometries. The adjustable angle mechanism lets you set a consistent bevel suited to the knife type, while the compact design is intended for countertop use and simple storage. Advantages This sharpener provides two-stage sharpening in a single unit: carbide elements for rapid shaping and diamond stones for fine edge restoration. The adjustable angle ensures repeatable results and reduces the risk of inconsistent bevels. Its manual operation requires no power source and gives the user direct control over pressure and stroke, suitable for routine maintenance as well as repairing dull or slightly damaged edges. Suitable for Household kitchen knives with straight beveled edges Routine sharpening and edge maintenance Light re-profiling after prolonged use Users who prefer a compact manual sharpener for countertop storage Key specifications Sharpening materials: diamond stones and tungsten carbide elements Adjustable sharpening angle for setting consistent bevels Manual, non-powered operation for direct user control Compact countertop design suitable for kitchen use How to use Secure the sharpener on a stable surface if it has a non-slip base, then select the desired sharpening angle according to the knife’s bevel. Begin with the carbide stage when the blade is very dull or needs re-profiling, using light, even strokes across the carbide elements to shape the edge. Move to the diamond stones to refine and restore sharpness, maintaining a consistent angle and using several smooth passes on each side of the blade. Wipe the blade clean after sharpening and test cutting performance before regular use. Usage recommendations For best results, use the carbide stage sparingly and only when reshaping is required; rely on the diamond stage for routine maintenance. Clean the sharpening surfaces and the knife after use, and avoid applying excessive pressure that could remove too much metal or damage thin blades. ## FAQ ### How much does the Knife Sharpener Adler AD 4531 cost, and is it available for purchase? The price is 11.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 1690 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance. ### If I order this product today, when will I receive my order? If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation. ### What payment options are available? AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay. All transactions are 100% secure and encrypted. ### Can this product be purchased for a company (with VAT)? Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout. ### What is the warranty period? All Adler products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Adler service centers and through AiO.lv ### Can the product be returned after purchase? Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return. ### Where should I contact for warranty service? For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty ## Image https://aio.lv/img/cache/product/12048938/67535301_large.webp