What are the interior dimensions?

The interior chamber is approximately 6" x 6" x 6" Thank you!

can I use it to temper and harden steel ?

Probably. I am a glass artist and use this kiln for annealing art. This kiln can achieve 2200f, but you shouldn't push it above 2100f per manufacturers recommendation. The big thing is the size. I'm not sure how much steel you wish to temper, but the interior of this kiln is very small, one of the smaller available in fact, so keep that in mind when deciding. This is an amazing kiln however. I've owned two now. Probably the coolest feature is how insanely fast it heats up. I've never timed it, but I am pretty sure mine can hit 1050f in under two minutes with the door to the kiln closed ( I let it idle with the door open often, so I can garage projects). It is extremely portable. The Nintendo Gamecube of kilns, it even has a cool little handle! Plugs right into a standard wall socket, and needs much less clearance than other kilns (Mine just sits on the corner of my workbench). If this kiln will work for your needs, it is an easy buy in my opinion.

how big (ounce wise) of a crucible can fit into this furnance?

The Rapid Fire Pro has a 6" by 5" by 6" firing chamber. Whatever crucible you want to use that will fit in a space that size will work. This unit does not come with a crucible.

Where do I find a shelf for this kiln?

First off it comes with one, if you need another it needs to be 4-7/8" by 3-3/4".

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RapidFire Pro-L Portable Digital Kiln Furnace with RapidHeat – 2200°F Electric Jewelry Making, Metal Clay, Enameling, Glass Fusing, Test Firing – Made in USA

Product ID: 18055767

⚡2200°F in 8-10 min RapidHeat

📏6"x5"x6" spacious chamber

🛠️12 lbs portable steel build

38243213₫

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Description

🔥 Compact power, pro results—ignite your craft anywhere!

LIGHTNING FAST HEAT UP - Reach blazing 2200°F in under 10 minutes with RapidHeat tech—cut downtime, boost productivity.
LIGHTWEIGHT PORTABLE - At just 12 lbs, take professional-grade firing power wherever your creativity leads.
PERFECTLY SIZED WORKSPACE - Spacious 6"x5"x6" chamber fits your jewelry, metal clay, and glass projects with ease.
PRECISION DIGITAL CONTROL - Accurate temperature management via digital panel ensures flawless, repeatable results every time.
BUILT TO LAST MADE IN USA - Durable raw steel body with heat-induced patina and backed by expert support and warranty.

The RapidFire Pro-L Portable Digital Kiln Furnace delivers professional-grade firing up to 2200°F in just 8–10 minutes. Weighing only 12 lbs with a spacious 6"x5"x6" chamber, it’s perfect for jewelry making, metal clay, enameling, and glass fusing. Featuring durable raw steel construction, precise digital temperature control, and proudly made in the USA, this kiln combines portability, speed, and reliability for artists and hobbyists seeking top-tier performance on the go.

Specifications

ASIN	B00L0OTDYE
Best Sellers Rank	#490,354 in Arts, Crafts & Sewing ( See Top 100 in Arts, Crafts & Sewing ) #722 in Jewelry Casting Tools
Customer Reviews	3.8 3.8 out of 5 stars (45)
Date First Available	June 15, 2014
Item Weight	12 pounds
Item model number	FUR-0056
Product Dimensions	8 x 7 x 13 inches

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38243213₫

Duties & taxes included

In stock

Sold byAmazon VietnamDelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to Vietnam.

Secure transaction

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TrustScore 4.5 | 7,300+ reviews

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