|Name||1-1/4 in. Nickel-Plated Swivel Pulley||1-1/2 in. Nickel-Plated Swivel Double Pulley||1-1/2 in. Zinc-Plated Swivel Single Pulley||2-1/2 in. Zinc-Plated Swivel Utility Pulley|
|View Product||View Product||View Product||View Product|
The manufacturer has confirmed that the working load limit for this swivel double pulley is 30 lbs.
1/4 inch would be too light. Suggest 3/8 inch up to 1/2 inch line.
You can use a light gage wire rope, but check the rating on the pulleys. These are designed for fairly light work.