1 Inch Square Plastic Tubing End Caps For Square Tubing Posts 4 Pack Helical Wire Lined Tight Fit Outer Size 1 Inch Square Inner Diameter 0.75 To 0.9 Inches Easy Install

1-Inch Square Tubing End Caps - Plastic Plugs, 4 Pack
✔️ Fits 1x1 in square tubes, inner 0.75-0.9 in, tight fit

These 1 in x 1 in square plastic plugs cap the ends of square tubing posts, delivering a clean finish and water resistance for outdoor furniture, fencing, or DIY frame projects.

✅ Size: Outer 1 in x 1 in (25.4 mm x 25.4 mm); inner diameter 0.75-0.9 in (19.05-22.86 mm)
✅ Material: high-quality plastic with a helical wire liner for a tight fit
✅ Pack: 4 plugs per pack; durable and weatherproof
✅ Performance: wear-resistant, waterproof, compressive strength, stable in harsh weather

💡 What is a square tubing end cap plug used for in DIY projects and outdoor posts, and why choose plastic caps?

The handy end cap helps seal, protect, and finish the ends of square tubes.

- seals ends to keep moisture and debris out - provides a clean, flush look on furniture and frames - installs easily with a snug, locked fit - suitable for outdoor use in weatherproof plastic