50mm Pulley Pack   Stock #: 390582 Price: $12.95 Quantity: Quantity in Basket: none   Outside diameter measures 2" (50mm) with an inside diameter of 3/16". 20/pkg.

MAIL: KELVIN®, 280 Adams Blvd., Farmingdale, NY 11735 USA   PHONE: 1-800-535-8469 or 1-631-756-1750 FAX: 1-800-756-1025 or 1-631-756-1763   EMAIL: kelvin@kelvin.com• Request A Catalog Copyright ® 2013 • KELVIN L.P. Registered trademarks of KELVIN L.P include, but are not limited to: KELVIN®, Kelvin Electronics®, Kelvin Technology™, Hands-On Science®, Build A Better Mousetrap Racer®, Join the Rat Racer®, And the Winner Is…®, New Standards® Modular Labs, and SUMO® Car.