What is the incline angle in degrees?

Believe it or not, I still own a protractor. Allowing for just an "eyeballing it" accuracy, I would say it measures between 10 and 15 degrees, closer to the 10 end of that range. Best guess, about 12 degrees. If you want to do some geometry, it forms a right triangle, Opposite side of the angle is 6.5 inches and adjacent side is 22 inches. (A rise of 6.5 over a run of 22). So just figure tan(x) = 6.5/22

will they support a motorhome

I would say no i had my f150 on it and my tires over hang.... I wouldn't recommend them for a motorhome.

No they aren’t. Store separate.

Has anyone used these on a new Miata that is pretty low up front?

I used on my 2016 Nissan Note without issue. Any contact would be plastic on plastic contact.

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Black Widow PSR295 Black Plastic Service Ramp

Black Widow PSR295 Black Plastic Service Ramp

Product ID: 38910151

Details

Brand
Black Widow
Color
Black
Item Weight
21 Pounds
Material
Plastic
Product Dimensions
35.5"L x 12"W

💪10,000 lbs load capacity

📏35.5" L x 12" W x 8.5" H dimensions

⚙️6.25" vehicle lift height

Description

🚗 Elevate your DIY game with Black Widow ramps—where strength meets convenience!

HEAVY DUTY STRENGTH - Supports up to 10,000 lbs for trucks, SUVs, and vans with confidence
PRECISION ENGINEERING - 35.5" length and 12" width ramps designed for optimal vehicle stability
LIGHTWEIGHT PORTABLE - High-impact plastic construction makes positioning ramps easy without the bulk
ELEVATE YOUR MAINTENANCE - Lifts vehicles 6.25" high for effortless oil changes and repairs
WEATHER RESISTANT DESIGN - Grid structure lets water, snow, and dirt pass through—built for all seasons

Black Widow Plastic Car Service Ramps are engineered from high-impact plastic to safely lift vehicles 6.25" off the ground. Each ramp measures 35.5" L x 12" W and supports up to 10,000 lbs, making them ideal for trucks, SUVs, and vans. Featuring a specialty internal support system and a weather-resistant grid design, these lightweight ramps combine durability with portability for hassle-free at-home vehicle maintenance.

Specifications

ASIN	B01N308YYO
Brand	Black Widow
Brand Name	Black Widow
Color	Black
Customer Reviews	4.7 out of 5 stars 2,392 Reviews
Global Trade Identification Number	00847821014034
Included Components	automotive-wheel-chocks
Is Foldable	No
Item Dimensions L x W x H	35.5"L x 12"W x 8.5"H
Item Type Name	Set of Two Plastic Car Service Ramps
Item Weight	18 Pounds
Load Capacity	10000 pound
Manufacturer	Black Widow
Manufacturer Part Number	PSR295
Manufacturer Warranty Description	1 year warranty.
Material	Plastic
Material Type	Plastic
Model Number	PSR295
Product Dimensions	35.5"L x 12"W x 8.5"H
UPC	847821014034

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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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TrustScore 4.5 | 7,300+ reviews

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Received my product in pristine condition. Great service overall.

1 month ago

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