Plastic Pulley, Single, One (1) High Quality, Single Wheeled Plastic Pulley, On A Steel Frame, With Hooks At Each End And One Plastic Pulley With A Diameter Of 50 mm, Inner Gap Of Pulley Measures 4 mm, Overall Length Is 8.9 Cm. Capable Of Holding Over 30 Lbs Of Weight.
Stem Explorations- Rollercoaster Building Set, includes over 500 parts plus a battery-powered motor for a single child or team of 2-3 children to build a working Roller Coaster, plus 2 additional models: Ramp and a Half-Pipe, downloadable booklet guide
Pulley Bench Clamp Fitting, With Nylon Ball Bearing Pulley, Comprising A 50 mm Diameter, Carried On A Two Part Aluminium Frame, Designed Primarily For Clamping To The Edge Of A Bench, Table Etc. With The Pulley Overhanging The Edge And In A Vertical Plane, 110mm
Pulley, Single Sheave, Pulleys wheels are made of plastic and mounted securely in an aluminum housing with a hook on both the top and bottom for suspension, Size: 50mm
Pulley Large Demonstration Double, Designed for Classroom Demonstrations, Light-weight, low-friction, and deformation-resistant plastic ensures accurate results, Open to make it easier for users to run pulley cords through them
Inclined Plane Steel - Long Form, Made Of Heavy-Gauge Steel For Durability, Fits A 12 mm Rod, All Corners Are Rounded For Saftey, Use For Science Education Equipment, This Green Inclined Plane Is 48in Long & Straight As An Arrow, Heavy Steel With Rounded Corners