Can I use this with my handheld rotary tool as a polishing compound?

Yes, some people use it as a polishing compound and rub it by hand or with a tool.

Do I still use water?

Yes. Put your rocks in tumbler. Add 1.5 tbs of Step 4 grit per lb of rocks. Then put water in the barrel to cover the rocks. Keep the total contents of the barrel to about 2/3 full.

Is this pure aluminum oxide powder or are there additional elements mixed in?

Analysis shows over 99% aluminum oxide, along with traces of a few other compounds.

can this be used dry in a vibratory tumbler?

People use this tumbling media both in rotary and vibratory tumblers. We have only heard of using it with water so we're not positive about how to use it dry.

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💎 Transform rough rocks into dazzling treasures with pro-grade polish!

MESS FREE STORAGE - Durable, reusable bottles prevent spills and keep your grit fresh for future projects.
CRAFTED IN THE USA - Proudly made with US-sourced materials ensuring top-tier quality and safety.
PRECISION POLISH POWER - 1200 fine aluminum oxide grit delivers a flawless final shine to your stones.
UNIVERSAL COMPATIBILITY - Works seamlessly with all major rock tumblers including Elenco, Lortone, and Smithsonian.
BEGINNER FRIENDLY GUARANTEE - 100% satisfaction backed by a no-risk promise—perfect for hobbyists and pros alike.

Polly Plastics' Stage 4 Rock Tumbler Grit offers a 1200 fine aluminum oxide polish in two 0.5 lb reusable bottles, compatible with all major tumblers. Made in the USA with premium materials, it ensures a spotless, high-quality finish while providing mess-free storage and a satisfaction guarantee ideal for both beginners and seasoned rock polishers.

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Are the products genuine and authentic?+

Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

How long does delivery take and is it reliable?+

Delivery times vary by destination country, typically ranging from 3-9 business days. Each order is fully trackable through our system. We handle all customs clearance and use reliable courier partners for last-mile delivery. You'll receive regular updates about your order status via email and our app.

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Desertcart is an international e-commerce platform operating since 2014. We securely process thousands of orders globally each day. Every product goes through our quality verification process before delivery, and we provide end-to-end order tracking, 24/7 customer support, and a comprehensive returns policy to ensure a safe shopping experience.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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Manufacturer	Polly Plastics
Part number	3405246824
Item Weight	227 g
Product Dimensions	15.24 x 15.24 x 3.81 cm; 226.79 g
Size	1 lb.
Material	アルミニウム
Grit Rating	1200
Batteries Included	No
Batteries Required?	No
Item Dimensions LxWxH	15.2 x 15.2 x 3.8 cm

Polly Plastics ロックタンブラーグリットリフィル、ファイナルポリッシュ1200ファイン酸化アルミニウム、タンブリングストーン用ステージ4(2パック)(1ポンド)

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