Condition New

Mushroom Handle Weight Stack Selector Pin

3/8″ Diameter Pin | Multiple Length Options | Commercial Strength Equipment Replacement

This mushroom-handle weight stack selector pin is designed for selectorized strength equipment, cable machines, functional trainers, and weight stack systems. The large low-profile mushroom-style handle provides a comfortable grip and quick weight selection, while the solid steel pin delivers secure engagement of the selected weight plates.

This listing includes multiple pin lengths to fit a wide variety of commercial and residential fitness equipment.

Available Sizes

Pin Diameter

3/8″ (9.5mm)

Key Features

Ergonomic Mushroom Handle

Wide-profile knob offers excellent grip and quick weight selection during workouts.

Commercial Grade Steel Pin

Precision-machined steel pin provides reliable weight plate engagement and long service life.

Multiple Length Options

Available in five common lengths to fit a broad range of selectorized strength equipment.

Durable Construction

Built for commercial gyms, rehabilitation centers, schools, hotels, and home fitness environments.

Direct Replacement Weight Stack Pin

Ideal replacement for worn, bent, damaged, or missing selector pins.

Compatible Equipment Brands

Commonly used on selectorized equipment from:

• Life Fitness
• Hammer Strength
• Cybex
• Matrix
• Precor
• Technogym
• Hoist
• Nautilus
• Star Trac
• SportsArt
• TRUE Fitness
• Body-Solid
• TuffStuff
• Paramount
• Legend Fitness
• Torque Fitness

Applications

• Weight stack machines
• Functional trainers
• Cable crossover systems
• Adjustable pulley machines
• Multi-station home gyms
• Commercial selectorized strength equipment
• Physical therapy and rehabilitation equipment

How to Choose the Correct Size

Step 1 Verify Pin Diameter

Confirm your machine uses:

3/8″ (9.5mm) diameter selector pin

Step 2 Measure Pin Length

Measure from the underside of the mushroom handle to the tip of the pin.

Available lengths:

• 2-1/2″ (64mm)
• 3-1/4″ (83mm)
• 3-3/4″ (95mm)
• 4-1/4″ (108mm)
• 5-1/2″ (140mm)

Step 3 Select the Matching Length

Choose the size that matches your original selector pin.

Benefits

• Comfortable wide-grip handle
• Quick and easy weight changes
• Commercial-grade durability
• Multiple length options
• Reliable weight plate engagement
• Easy replacement for damaged or missing selector pins

Important Fitment Information

Please verify:

• Pin Diameter: 3/8″ (9.5mm)
• Required Pin Length
• Weight Stack Depth

Many selector pins appear similar but require specific lengths for proper engagement and safe operation.

Why It Matters

Using the correct selector pin ensures full engagement of the selected weight plates, safer workouts, smoother machine operation, and reduced wear on your fitness equipment.

Suggested Amazon / eBay Title

3/8″ Weight Stack Selector Pin with Mushroom Handle | 2.5″ to 5.5″ Length Options | Replacement Weight Pin for Life Fitness Hammer Strength Cybex Matrix Precor

Used on the following models:

Hydra Fitness Exchange
Commercial & Home Gym Strength stack pins pop knobs