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The WORKER 18KG Upgrade Spring Silver is a high-tension replacement spring designed exclusively for the Nerf Rival Kronos XVIII-500. It significantly boosts shooting range and ball speed, demanding a skilled installation and post-upgrade accuracy adjustments. Note: Blaster not included.





| ASIN | B07S917BVH |
| Age Range Description | Teen |
| Best Sellers Rank | #151,676 in Toys & Games ( See Top 100 in Toys & Games ) #612 in Toy Foam Blasters |
| Brand Name | WORKER |
| Color | Silver |
| Customer Reviews | 4.2 out of 5 stars 198 Reviews |
| Educational Objective | Develop basic mechanical skills and hand-eye coordination through assembly and use |
| Indoor Outdoor Usage | Outdoor |
| Is Assembly Required | Yes |
| Item Dimensions | 4.7 x 0.8 x 0.8 inches |
| Manufacturer | WORKER |
| Manufacturer Maximum Age (MONTHS) | 168 |
| Manufacturer Minimum Age (MONTHS) | 168.00 |
| Manufacturer Part Number | JGCWorker-959343 |
| Material Type | Stainless Steel |
| Model Number | JGCWorker-959343 |
| Number of Players | 1-2 |
| Operation Mode | Manual |
| Set Name | Spring Set |
| Size | 18 KG |
| Supported Battery Types | No batteries required |
| Theme | Nerf Rival |
| Unit Count | 1.0 Count |
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