Discover durable plastic pipe plugs caps crafted to protect floors, finish furniture, and shield round tubing. This guide highlights five reliable options, detailing size compatibility, materials, and practical uses for indoor and outdoor projects. Each product emphasizes fit, protection, and ease of installation to help you choose the right plug end caps for chair legs, table feet, ladders, and more.
| Product | Size Range | Material | Best For |
|---|---|---|---|
| Piutouyar 12 Pack 3/4 Inch | 0.75″ OD tubes (ID fits 0.59″–0.69″) | Plastic | Chairs, furniture legs |
| Swpeet 180Pcs Assortment Kit | 9 sizes from 12mm to 38mm | High-grade black polyethylene | Versatile furniture protection |
| ZYYC 12 Pcs 1″ Plugs | Outer 25mm (1″); fits 0.81″–0.93″ ID | Plastic | Wood floors protection |
| Bonsicoky 12 Pack 1-1/4″ (32mm) | 32mm OD tubes | Black plastic | Floor protection, finish |
| CaSuTong 4 Pack 1-1/2″ | OD 1.5″; ID 1.38″–1.45″ | Plastic | Indoor/outdoor rounds |
Note: Sizes refer to outer diameters (OD) of round tubing. Always measure your tubing’s outer diameter (OD) and the inside hole diameter (ID) to ensure a snug fit. Do not rely on hole size alone when selecting end caps.
Piutouyar 12 Pack 3/4 Inch End Cap Set

Piutouyar’s 12-pack round end caps are designed for 3/4 inch (OD) tubing. Each plug features a frosted surface and smooth, burr-free edges, providing a quality finish that resists wear. The inner diameter supports IDs from 0.59″ to 0.69″ (9/16″ to 11/16″), with a wall thickness in the 14-20 gauge range. These caps help prevent floor wear and protect furniture feet during movement, making them suitable for chairs, ladders, tables, and bar stools. They are manufactured for durability and wear resistance, ensuring a long-lasting solution for both indoor and outdoor settings.
Key points: 12-pack convenience, durable plastic construction, and compatibility with slightly varied round tubing sizes. Ideal for home projects where a clean, protective cap is needed for furniture legs and similar components.
Swpeet 180Pcs Round End Caps Assortment Kit

The Swpeet kit provides a broad size range across nine dimensions, from 12mm to 38mm, with a total of 180 pieces. Made from durable black polyethylene, these caps offer UV resistance and long life, designed to withstand impact and weather exposure. The assorted sizes make them a versatile choice for protecting floors, reducing noise from friction, and shielding table legs, chair feet, and other round tubing components. They’re easy to install and remove, supporting quick replacements or updates as needed.
Considerations include ensuring the right size for your tubing and acknowledging the assortment’s color and finish, which matches most modern furniture aesthetics. This kit is ideal for households with varied furniture or frequent remodeling needing multiple cap sizes.
ZYYC 12 Pcs 1″ Plastic Plugs

These 1″ plugs fit round tubing with an outer diameter of 25mm (1″), designed to snugly fill holes from ID 0.81″ to 0.93″. While the product notes caution minor sizing variances common with tube plugs, the guidance is to select the plug that matches the outer diameter. Constructed from robust plastic, they resist wear and protect floors from scuffs and scratches. They’re suitable for a wide range of furniture applications, including chairs, tables, and outdoor frames where a final cap adds a clean finish.
Key considerations: verify the tubing outer diameter before ordering and anticipate minor manufacturing variances. This option is well-suited for those needing a simple, reliable 1″ plug for common furniture tubes.
Bonsicoky 1-1/4 Inch Round Plugs

Bonsicoky offers a 12-pack of 1-1/4 inch round plastic hole plugs designed to fit 32mm round tubing. The plugs are described as flooring-friendly, with a glide that helps prevent floor scratches during furniture movement. They are constructed from high-grade black ribbed plastic, providing durability and weather resistance for both indoor and outdoor environments. The kit covers a useful range of hole diameters and is accompanied by guidance to consult the size chart to ensure the perfect fit.
Practical benefits include floor protection, ease of installation, and a finish that minimizes marking on wood surfaces. This option balances size variety with a focus on protecting floors in everyday furniture use.
CaSuTong 4 Pack 1-1/2 Inch Round Plugs

CaSuTong’s 1-1/2 inch plugs are designed for tubing with an OD of 1.5 inches and ID compatibility from 1.38″ to 1.45″. The plugs offer a wall thickness of 0.020″ to 0.059″, presenting a solid fit for steel pipe or round metal tubing used in furniture frames, lighting stands, and similar applications. They are described as indoor/outdoor use capable, with a smooth finish that reduces floor friction and marks. Use this size when your project involves larger diameter tubing and you need a clean, finished look on round openings.
Consider compatibility with the tube’s outer diameter and ensure the ID range aligns with your hole. This option is best for larger-diameter furniture legs and structural elements requiring a robust end cap finish.
Buying Guide
- Size matching: Measure the tubing OD (outer diameter) and the hole ID (inside diameter). End caps are sized by OD and only fit if the ID range accommodates the tubing’s wall thickness.
- Material and finish: Most caps use durable LD polyethylene or similar plastics. Look for UV resistance if outdoor use is expected and a textured/graduated finish to reduce slipping and wear on floors.
- Installation and removal: Consider plug shapes that are easy to install without tools and remove when adjustments are needed. Some kits group multiple sizes for flexibility.
- Surface protection: A primary purpose is preventing floor scuffs and furniture leg marks. For high-traffic areas, prioritize tougher plastics with smoother edges to minimize friction.
- Indoor vs outdoor: Outdoor applications benefit from weather-resistant plastics and color resilience; indoor uses emphasize aesthetics and floor protection.
- Color and finish: Black is common and blends with most hardware, but ensure color compatibility with your furniture or deck.
- Budget and quantity: If you have multiple projects or a workshop, a multipack with various sizes provides long-term value and ready replacements.
- Warranty and material quality: Check product descriptions for indications of wear resistance and lifetime use, especially for outdoor furniture.
In selecting the right plastic plug caps, balance size accuracy, ease of installation, and the specific protection needs of your floors and furniture. The five products highlighted here cover common size ranges and usage scenarios, delivering durable, practical solutions for everyday projects.