This website uses cookies to ensure you get the best experience on our website. [Learn More](https://www.hbarsci.com/pages/privacy-policy)

Got it!

[Skip to content](/content/products/ph0280c#MainContent/index.html)

(585) 360-2295 \| Mon–Fri 8am–4pm EST

**hBARSCI is now The Lab Stockroom**

Same team. Bigger catalog, faster shipping.

Free Shipping on Orders $100+ \| POs Accepted

Open media 0 in modal

Eisco Labs \|  SKUPH0280C

# Triple-Parallel Plastic Pulley, 50mm Diameter

Triple-parallel plastic pulley with three 50mm wheels on a steel frame with end hooks, supporting three-rope compound arrangements for advanced mechanical-advantage investigations.

Regular price

Sale price$12.99Regular price~~$14.99~~

Unit price

/per

Pay over time for orders over $35.00 with

Learn more

QuantityDecrease quantity for Triple-Parallel Plastic Pulley, 50mm DiameterIncrease quantity for Triple-Parallel Plastic Pulley, 50mm Diameter

Add to cart

Buy with

[More payment options](/content/products/ph0280c#/index.html)

- In Stock **(25)**

- Free US Shipping $100+30 Day Free Returns

## Product Description

This Eisco Labs Triple Plastic Pulley features three parallel pulleys, each 50mm in diameter, mounted on a steel frame with hooks at each end. The inner gap of each pulley measures 4mm, and the overall length is 8.9cm.

Triple pulleys are used to demonstrate mechanical advantage and pulley systems in physics experiments. The parallel arrangement allows students to explore how multiple pulleys reduce the force needed to lift a load. Suitable for physics classrooms studying simple machines, force, and work.

## Specifications

- **Dimensions (L × W × H)**: 0.40" × 0.30" × 0.20" (1.02cm × 0.76cm × 0.51cm)
- **Weight**: 0.10 lbs (45g)

## Shipping & Returns

**SHIPPING**

Ships from Rochester, NY. Orders received by 1:00 PM EST M-F typically ship same business day. Free US shipping on orders over $100. Expedited options available.

**RETURNS**

30-day return window. Unused items receive a full refund; used items are eligible for store credit or exchange. Return shipping is paid by the customer. Clearance items are final sale. Defective products? Contact us directly.

[View full Shipping & Returns policy](/content/pages/returns-and-refunds "Returns and Refunds"/index.html)

Payment & Security

Payment methods

- American Express
- Apple Pay
- Diners Club
- Discover
- Google Pay
- Mastercard
- PayPal
- Shop Pay
- Visa

Your payment information is processed securely. We do not store credit card details nor have access to your credit card information.

### Triple-Parallel Plastic Pulley, 50mm Diameter

Regular price

Sale price$12.99Regular price~~$14.99~~

Unit price

/per

Add
