Vorynne Weight Stack Pin Extender for Cable Machines – 8 mm Steel Pin with Magnetic Handle, Adds Olympic Plates

Vorynne Weight Stack Pin Extender is a durable 8 mm steel pin that lets you safely add extra Olympic plates to cable-machine stacks for controlled additional resistance.

This compact steel extender slides into standard 8 mm (Ø 8 mm / 5/16") weight-stack holes and secures with a magnetic, safety-focused handle so you can increase load on cable exercises without modifying the machine. Built for both home and commercial use, it provides a simple way to fine-tune resistance when small incremental jumps matter for progress.

How does the Vorynne pin attach and stay secure during lifts?

The pin fits into the weight-stack selector with a snug 8 mm shaft and locks in via a strengthened magnetic handle. The handle’s magnets reduce wobble and lower the risk of accidental dislodging while you move through ranges of motion.

• Ø 8 mm steel shaft designed for compatible selector holes
• Reinforced magnetic handle for stable attachment
• Low-profile head to avoid interfering with machine guides

How much extra load can I add with the extender?

The extender accepts standard Olympic-style plates and can add incremental resistance useful for accessory and isolation work. While exact total depends on your plate selection, many users safely add up to about 40 lbs of additional weight to each stack with proper use and verification of fit.

• Designed to carry multiple Olympic plates stacked onto the pin
• Use collars or plates with central sleeves to secure loads
• Always confirm machine capacity and clearances before loading

Will this pin fit my cable machine and what should I check before buying?

Measure your machine’s selector hole diameter—this model is for Ø 8 mm (5/16") applications. Also confirm available plate hanger length, nearby obstructions, and that the machine’s safety specifications allow external loading.

• Measure selector hole to ensure 8 mm compatibility
• Check plate hanger clearance and backplate spacing
• Confirm machine manufacturer guidelines for added external loads

How durable and low-maintenance is the extender?

Constructed from solid steel and finished to resist wear, the extender is built for frequent gym use with minimal upkeep. Periodic inspection and a light wipe-down keep it operating reliably over time.

• Heavy-gauge steel construction for daily gym demands
• Rust-resistant finish and smooth shaft for consistent fit
• Simple maintenance: clean, inspect magnets and shaft regularly

Who is this for: The Vorynne Weight Stack Pin Extender is aimed at strength trainees, personal trainers, and home-gym owners who need precise, incremental resistance on cable machines. It’s especially useful for lifters who want to add Olympic plates to a selector stack, coaches adjusting loads between clients, and anyone seeking a compact tool to fine-tune cable-machine intensity without permanent modifications.