Product Description
Eskimo 27821 CAP 20.5MM SQUARE TUBE – Technical Product Description
The Eskimo 27821 Cap is engineered as a precision-fit protective end cap designed specifically for 20.5mm square tubing. Constructed from durable, impact-resistant polymer, this cap offers reliable protection against environmental exposure, corrosion, and mechanical wear for tubing ends. Its tight tolerance ensures a secure fit, minimizing movement or rattling within the tubing while providing a clean, finished appearance.
Technical Specifications:
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Tube Compatibility: Designed exclusively for 20.5mm x 20.5mm square tubing
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Material: High-density, UV-stabilized polymer for enhanced durability and weather resistance
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Dimensions: Precisely molded to fit tube ends with a 20.5mm outer dimension
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Function: Seals tube ends to prevent ingress of moisture, dirt, and debris; protects against mechanical damage
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Installation: Simple press-fit design for quick and secure installation without tools
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Color: Typically black, engineered to maintain color stability over time
Compatible Models:
The Eskimo 27821 Cap is widely used in Eskimo ice fishing shelters and accessories that incorporate 20.5mm square structural tubing, including but not limited to:
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Eskimo QuickFish Series Ice Fishing Shelters
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Eskimo FatFish Series Portable Ice Shanties
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Eskimo Vortex Series Ice Fishing Tents
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Compatible with other Eskimo frame assemblies or aftermarket products utilizing 20.5mm square tubing
This cap is an essential replacement part for maintaining the structural integrity and longevity of Eskimo ice fishing shelters and equipment. It ensures secure tube sealing and provides a professional, finished look to assembled frames.

