(4 Pack) 2 1/4 Inch Square Black Plastic Tubing Plugs – Fits Tube Inside Diameter from 2.116 in to 2.167 in (10–14 Gauge) Designed for durability and a precise fit, these square tubing plugs are ideal for protecting and finishing the ends of square metal tubing. Made from quality lowdensity polyethylene (LDPE), they resist rust, corrosion, and wear for longlasting performance. Key Features: Pack of 4 — Convenient quantity for small projects or replacements Designed for square tubing with inside diameter from 2.116 in to 2.167 in (10–14 gauge) Made from durable LDPE plastic for strength and resilience Tapered exterior ribs ensure a secure, snug fit without creating unsightly plastic shavings Shoulders fit flush with tubing sides for a clean, professional finish Keeps dirt, moisture, and debris out of tubing to protect equipment and extend lifespan Smooth edging reduces risk of injury from sharp tubing ends Not affected by rust or corrosion Applications: Furniture building: Finish and protect open tubing ends on chairs, tables, racks, and workstations Industrial equipment: Provide secure end caps for machinery frames or structural tubing Trailers and outdoor equipment: Cap 2 1/4 in tubing on utility trailers, gates, and other exposed metal structures Performance Benefits: Creates a clean, finished appearance on completed projects Helps prevent internal damage from dirt and moisture Provides a safe grip edge when tubing is handled or moved Compatibility: These plugs are designed for most 2 1/4 in square tubing with inside diameters between 2.116 in and 2.167 in. Please measure your tubing's inside dimensions and gauge before ordering to ensure proper fit. Material: LowDensity Polyethylene (LDPE) – lightweight, strong, and impactresistant for longterm use indoors or outdoors.