SOLID STEEL WEIGHT PIN: This weight pin is made of sturdy solid steel for safety and durability. Simply insert it into your weight stack machine and adjust the resistance according to your training needs. The spring clip collar locks plates securely in place, preventing weights from falling off during exercise GYM PINS FOR WEIGHT STACK – 88LBS CAPACITY: One of the most useful gym pins for weight stack systems, this accessory supports up to 88 lbs (40 kg) of additional weight. Break past your machine‘s original limit and progress at your own pace WEIGHT PINS FOR WEIGHT STACK MACHINE – FITS 2″ OLYMPIC PLATES: Designed as weight pins for weight stack machine, the loading area fits standard 2-inch (50mm) Olympic barbell plates. Most gym plates work perfectly PURCHASE GUIDE: GymPin comes in 5/16″ (8mm) or 3/8″ (10mm) slots. Get the right size for your gym equipment. The 8mm gympin is suitable for fitness equipment with a diameter of 10mm, and the 10mm gympin is suitable for fitness equipment with a diameter of 12mm WEIGHT STACK PIN EXTENDER – PROGRESSIVE TRAINING: Use it as a weight stack pin extender to add plates gradually. Start light, add weight as you get stronger, and keep challenging your muscles without big jumps or maxing out your machine

Take Full Control of Your Weight Training

Stop letting your weight machine limit your progress. Whether you call it a weight stack pin, gym pin, or weight pin, this solid steel accessory unlocks a new level of flexibility in your workouts.

Add Up to 88 lbs – Break Past Machine Limits

Most weight stacks have a fixed maximum. Our gym pin lets you add up to 88 lbs (40 kg) of extra resistance using standard 2-inch Olympic plates. No more hitting the top and wondering what‘s next.

Secure Spring Clip Collar – No Falling Weights

Safety matters. The spring clip collar locks your plates firmly onto the pin, preventing weights from slipping or falling off during intense sets. Train with confidence.

Fits 2-Inch Olympic Plates – Universal Compatibility

The loading area is designed specifically for standard 2-inch (50mm) Olympic barbell plates. If you already own Olympic plates for your barbell, they will work perfectly with this pin.

Two Sizes Available – Get the Right Fit

Choose the correct size for your equipment:

5/16" (8mm) gym pin → Fits fitness equipment with 10mm diameter slots

3/8" (10mm) gym pin → Fits fitness equipment with 12mm diameter slots

Please measure your machine‘s pin hole diameter before ordering.

Simple to Use

Insert the pin into your weight stack machine. Add Olympic plates. Secure with the spring clip collar. Adjust weight to match your training needs. That‘s it.

What‘s Included

1 x Weight Stack Pin (Gym Pin)

1 x Spring Clip Collar

Ideal For

Home gym owners who want to add weight without buying a new machine

Commercial gym users who need micro-loading options

Strength training enthusiasts looking to break plateaus