Descriptionthe Pulley Is A Kind Of Lifting Tool, Also Called A Lifting Tool. A Pulley, A Compound Mechanism; Of A Wheel On The Axle Or Shaft Which May Have A Groove Between Two Flanges Around Its Circumference.A Rope, Cable, Belt Or Chain Usually Runs At The Above The Wheel And ` The Inside Of The Throat, If Necessary. Pulleys Are Used To Change The Direction Of An Applied Force, Transmit Rotational Motion, Or Achieve A Mechanical Advantage In A Linear System Or Rotation Of Motion.Designed To Be Used ; With Rope Or Twine In Indoor And Outdoor Application.Features-Color: Silver.-Material: 304 Stainless Steel.-Dimensions: Approx 3*2.5*7, 2 Cm / 1.18 * 1 * 2.83 Inch (L * W * H).-Made Of 304 Stainless Steel, Durable.-Rotating Pulley Cylinder Head Is Solid, Durable , Can Rotate 360 Degrees.-Sliding Pulley, Lifting Pulley.-Light Surface Shock Treatment.-304 Stainless Steel Double Pulley Hanging Wire Towing Wheel For Driving Fitness Boats