# 4 link spacing; Manganese steel for longer durability; Twist link crossmembers with V-Bars; Simple to install; Sold in pairs; Fits:

**Manufacturer:** RLB Worldwide  
**MPN:** `GTU-621`

## Specifications

| Attribute | Value |
| --- | --- |
| Brand name | RLB Worldwide |
| Manufacturer name | RLB Worldwide |
| Manufacturer | RLB Worldwide |

## Distributor availability

| Distributor | SKU | Price (USD) | Qty | Stock | MOQ |
| --- | --- | --- | --- | --- | --- |
| Walmart | 783890467 | 78.4 | 1 | None | 1 |

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Structured data: `/python/html6/product/500/144000000/144171500/part_--GTU621---RLBWorldwide--b1d57fa6d8.json`  
Search API: https://www.dataalchemy.com/api/  
MCP server: https://www.dataalchemy.com/mcp