You can find both stainless steel over center buckles and zinc-plated over center buckles at WinnerLifting.
Each over center buckle has its own special way to work with straps,to lock and to get your attension.
There are around 15 popular buckles in the market,and it's been years.Why change the good thing?Said by the people who use these buckles.
Plus,WinnerLifting is happy to provide buckle with straps,PP or PE both fine.
You can always find a practical solution for your inquiry here.
Overcenter Buckle,Stainless Steel Overall Buckle,Over Center Bar Buckle,Zinc Steel Buckle WINNERLIFTING(H.K.)INT'L TRADING LIMITED. , https://www.massagebeds.nl
Outer diameter: 20mm-3040mmÂ
Sizes: dia.28mm, L=4m/pc
Thickness=0.8/0.9/1.0/1.2/1.5mm
Material:
Extruded plastic coating (Outside ) + Galvanized Steel tube (Inner)
External diameter:
27.5mm- 28.0mm
Thickness of steel tube wall:
0.8mm ,1.0mm,1.2 mm,1.5mm,1.8mm, 2.0mm    (Note: 1.0mm is common used,other thickness is MOQ required)
Color:
 Black
Standard length:
 4000mm per piece
Application:
Applied to assemble carton flow rack,handcart, storage shelving, pipe racking system, logistics container, pipe joint system.
package:
10pcs per bundleÂ
Plastic coated pipe. The pipe  is the welding steel tube. To prevent coating seperate from steel pipe, we use special adhesive.
Plastic coated pipe is a range of reusable steel tubes and rapid assembly connecting joints, brackets, roller tracks, parts and accessories, which not only enables you to design and build a wide range of applications and solutions, but can also be integrated into a Lean Manufacturing or Kaizen environment.
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Lean tube solutions are simple to design, quick to assemble and completely reusable. These can be used for storage, material handling, assembly manufacturing and distribution.
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The advantage of our lean tube:
1. We are the manufacturer which makes the price competitive.
2. We use the environmentally friendly materials and reduce the cost
3. Variety of color is available. Customers can select the color freely.
4. Rust inhibitor is applied to inner surface of the plastic coated pipe for extended service life.
5. At normal temperature condition, the PE outside cant be dissolved in any kind of solution. Concentrated sulfuric acid and concentrated nitric acid just can relieve.
Warehouse Storage Rack Lean Pipe with Metal Joints Hlx-PP003
Product Description