| SKU | TUB-106 |
|---|---|
| Material | Stainless Steel 304 |
| Tube Dimensions | 1.5 in x 1.5 in Square Tube (16 GA) |
1-1/2" Square Stainless Steel Cap Rail with Slot – 304 Brushed Finish
This slotted 1-1/2" square stainless steel cap rail gives glass, metal panel, and stair railings a clean, modern top rail. Made from 16-gauge Type 304 stainless steel with a satin brushed finish, it is sold by the foot or cut to your exact length in inches and ships free anywhere in the continental USA.
Use It as a Wall-Mount LED Handrail
This tube also works as a wall-mounted handrail. Install it with the slot facing down and add an LED strip light inside the channel for an illuminated stair handrail that lights the treads below – a popular upgrade for modern staircases, hallways, and outdoor steps.
Features
- Slotted square profile works as a glass railing cap rail, panel railing top rail, or wall-mount LED handrail
- Type 304 stainless steel, 16 gauge (1.5 mm) wall thickness
- Satin brushed finish for a clean, modern look
- Sold by the foot or cut to your exact length in inches
- Large-quantity and contractor discounts available
Specifications
- Nominal size: 1-1/2" x 1-1/2" square tube with slot
- Exact outside measurement: 1-9/16" W x 1-9/16" H
- Slot opening: 15/16" wide x 5/8" deep (U-channel)
- Thickness: 16 gauge / 1.5 mm
- Material: Type 304 stainless steel
- Finish: Brushed (satin)
- Best for interior and non-coastal exterior use – not recommended for coastal or saltwater environments
Lengths & Cutting
- The longest single piece we can ship is 94"
- Lengths over 94" are split into 2 pieces; lengths over 182" are split into 3 pieces that are easy to assemble
- Need one continuous length? Send us your length (inches or linear feet) and zip code for a freight quote
Shipping & Returns
- Handling time: 3–6 business days
- Shipping time: 3–4 business days (expedited shipping 2–4 days)
- Free shipping in the USA, except Hawaii & Alaska
- For a custom quote, message us with the model, size, and zip code
- Returns accepted; a restocking fee of up to 25% may apply because each piece is cut to order (decided case by case – please message us)
Free Shipping in the United States (lower 48 states)
All orders are made to order just for you. Turnaround time to make and ship products varies by product type and order volume.
Expedited turnaround time available at checkout for an additional cost (~2x faster turnaround time).
Expedited Turnaround Time Cost:
- Orders below $600 = $150
- Orders $600 to $1,999.99 = $300
- Orders $2,000 and up = $400
Standard turnaround times are listed below:
- Assembled Railings
- Standard handling time: 14-21 days
- Expedited handling time: 7-11 days
- Wall-Mounted Handrails
- Standard handling time: 7-14 days
- Expedited handling time: 4-6 days
- Ground-mounted Handrails
- Standard handling time: 7-14 days
- Expedited handling time: 4-6 days
- Posts, Brackets & Tubing
- Standard handling time: Ships within 7 days
- Expedited handling time: Ships within 3-4 days
Orders are shipped FedEx ground and take 3-4 business days to arrive.
Free shipping does not apply to Alaska and Hawaii
If you are in a country outside the United States, email info@optimumrails.com or call us at (805) 292-0801 for a quote.
In-store pickup
You can skip the shipping fees with free local pickup at 10537 San Fernando Rd. Pacoima, CA 91331. After placing your order and selecting local pickup at checkout, your order will be prepared and ready for pickup within 5 to 7 business days. We will send you an email when your order is ready, along with instructions.
Our in-store pickup hours are 9 AM - 5 PM Monday-Friday. Please have your order confirmation email with you when you come.
How do I check the status of my order?
When your order has shipped, you will receive an email notification from us with a tracking number you can use to check its status. Please allow 24 hours for the tracking information to become available.
If you haven’t received your order within 14 days of receiving your shipping confirmation email, please contact us at optimumworksinc@gmail.com with your name and order number, and we will get back to you within 24 hours.
No Shipping to P.O. boxes
Refunds, returns, and exchanges
We accept returns up to 3 days after delivery, if the item is unused and in its original condition, and we will refund you 70% of the order price.
In the event that your order arrives damaged in any way, please email us as soon as possible at info@optimumrails.com with your order number and a photo of the item’s condition. We address these on a case-by-case basis but will try our best to work towards a satisfactory solution.
If you have any further questions, please don't hesitate to contact us at info@optimumrails.com
It is our pleasure to ensure you have a 5-star experience!
We have a 30-day return policy, which means you have 30 days after receiving your item to request a return.
All handrails are custom-made to your specifications. Due to the nature of our products, there is a 30% restocking fee plus return shipping costs.
To start a return, you can contact us at info@optimumrails.com. If your return is accepted, we’ll send you a return shipping label, as well as instructions on how and where to send your package. Items sent back to us without first requesting a return will not be accepted.
You can always contact us for any return questions at info@optimumrails.com.
Damages and issues
Please inspect your order upon reception and contact us immediately if the item is defective, damaged, or if you receive the wrong item, so we can get you the correct order.
Exchanges
The fastest way to ensure you get what you want is to return the item you have, and once the return is accepted, make a separate purchase for the new item.
Refunds
We will notify you once we’ve received and inspected your return, and let you know if the refund was approved or not. If approved, you’ll be automatically refunded on your original payment method. Please remember it can take some time for your bank or credit card company to process and post the refund.
Optimum Works
Stainless Steel Square Cap Rail 1-1/2" with Slot – 304 Brushed Finish, Cut to Length
Stainless Steel Square Cap Rail 1-1/2" with Slot – 304 Brushed Finish, Cut to Length
Need to customize this product?
Request Custom Order

Made in the USA
Built by a US-based metal fabrication team.
US-based Support
Get help choosing, ordering, and installing your railing.
Easy Installation
Designed for clear mounting and practical field installation.
