Description: Material: Our weight stack pin is made from heavy duty stainless steel ensuring it can withstand gym sessions and last for years. The pin is rust resistant, providing added longevity.Easy to Use: This weight pin is easy to insert and remove from weight stacks,ensuring safe and efficient weight adjustments.Advanced Muscle Engagement: Weight machine pin replacement Pre select various weight levels for a singular set, allowing for enhanced muscle activation and engagement.Universal Fit: This weight stack pin features a standard diameter that fits most gym equipment. It's the fit accessory for home gyms, fitness studios, or commercial gyms.Secure Locking: With its solid design, this weight stack pin securely locks into place, allowing for secure, seamless weight changes. You can confidently adjust your weights without worrying about the pin slipping out. Specification: Material: Stainless Steel Size Chart: Length:15cm or 5.91inchDiameter:0.78cm or 0.31inch Package Includes: 2 Weight Stack Pins Note: Please allow slightly errors 1to2cm differences due to manual measurement.