--- product_id: 137942825 title: "Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black" brand: "hmt" price: "$13.51" currency: USD in_stock: true url: https://www.desertcart.us/products/137942825-cumi-cssc109-combination-stone-silicone-carbide-150-x-50-x store_origin: US region: United States of America --- # 150 x 50 x 25 mm Sharpens various steels 454 g weight Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black **Brand:** hmt **Price:** $13.51 **Availability:** ✅ In Stock ## Summary > 🔧 Elevate Your Edge – Because Dull Knives Are So Last Season! ## Quick Answers - **What is this?** Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black by hmt - **How much does it cost?** $13.51 with free shipping - **Is it available?** Yes, in stock and ready to ship - **Where can I buy it?** [www.desertcart.us](https://www.desertcart.us/products/137942825-cumi-cssc109-combination-stone-silicone-carbide-150-x-50-x) ## Best For - hmt enthusiasts ## Why This Product - Trusted hmt brand quality - Free international shipping included - Worldwide delivery with tracking - 15-day hassle-free returns ## Key Features - • **Compact Design:** Easily fits in your kitchen drawer or tool kit. - • **Durable Material:** Crafted from high-quality silicone carbide for longevity. - • **Fine Grit Precision:** Achieve razor-sharp edges with fine grit silicone carbide. - • **Versatile Sharpening:** Perfect for stainless and carbon steel knives. - • **Lightweight & Portable:** Weighs only 454 g, ideal for on-the-go sharpening. ## Overview The Cumi CSSC109 Combination Stone is a high-performance sharpening tool made from durable silicone carbide, designed to sharpen a variety of knives and tools with precision. Measuring 150 x 50 x 25 mm and weighing just 454 g, this fine grit stone is perfect for both professional chefs and home cooks looking to maintain their kitchen arsenal. ## Description CUMI LIST 109 Combination Stone is Silicone Carbide combination bench stones have both coarse and fine grit silicon carbide surfaces. These fast-cutting stones are used to sharpen edges on tools to moderate tolerances quickly. Stones are very fast cutting and while a thin clear oil is usually sufficient. These softer stones have several advantages over harder stones. Because they are softer, they do not become glazed or loaded with detritus. Plus, they are lubricated effectively with water rather than oil but can be used with either. There are a number of ways to sharpen knives and tools, but water stones are the preferred method because the user has absolute control during the sharpening process. A two-sided Combination fine/coarse combination sharpening stone.strong How to use/strong: Soak the whetstone in water for about 5 to 10 minutes or until only little air bubbles appearing, that indicates the stone has absorbed the optimum amount of water necessary for the top result. And keep applying water while sharpening. The reason for using the water is, the water makes the small stone particles released when sharpening, form an abrasive substance that gives the sharpening result. Place the stone on a slip-resistant surface like a wet wiping piece or a wet dishcloth. ## Features - Sharpens stainless steel, carbon steel and much more - Excellent for a variety of knives and tools - Size: 150 x 50 x 25 millimeter - Perfect for knives sharpening ## Technical Specifications | Specification | Value | |---------------|-------| | Material | Silicone Carbide | | Brand | HMT | | Colour | black | | Item Weight | 454 g | | Grit Type | Fine | | Number of Items | 1 | | Manufacturer | HMT | | Package Dimensions | 18.4 x 9 x 5.4 cm; 453.59 g | | Item part number | VCT90012400025 | ## Product Details - **Material:** Silicone Carbide - **Brand:** HMT - **Colour:** black - **Item Weight:** 454 g - **Grit Type:** Fine - **Number of Items:** 1 - **Manufacturer:** HMT ## Images ![Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black - Image 1](https://m.media-amazon.com/images/I/51ckzgaMTFL.jpg) ![Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black - Image 2](https://m.media-amazon.com/images/I/61g-KnLZLLL.jpg) ![Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black - Image 3](https://m.media-amazon.com/images/I/61bkZ9ZBJGL.jpg) ![Cumi CSSC109 Combination Stone, Silicone Carbide, 150 x 50 x 25, Carborundum, Black - Image 4](https://m.media-amazon.com/images/I/41MOQBHmjJL.jpg) --- ## Why Shop on Desertcart? - 🛒 **Trusted by 1.3+ Million Shoppers** — Serving international shoppers since 2016 - 🌍 **Shop Globally** — Access 737+ million products across 21 categories - 💰 **No Hidden Fees** — All customs, duties, and taxes included in the price - 🔄 **15-Day Free Returns** — Hassle-free returns (30 days for PRO members) - 🔒 **Secure Payments** — Trusted payment options with buyer protection - ⭐ **TrustPilot Rated 4.5/5** — Based on 8,000+ happy customer reviews **Shop now:** [https://www.desertcart.us/products/137942825-cumi-cssc109-combination-stone-silicone-carbide-150-x-50-x](https://www.desertcart.us/products/137942825-cumi-cssc109-combination-stone-silicone-carbide-150-x-50-x) --- *Product available on Desertcart United States of America* *Store origin: US* *Last updated: 2026-05-09*