Premium qualityThe deep groove ball bearing adopts rubber coating, new style, pressure resistance and wear resistance, beautiful and flawless after the instrument processing. Sliding Door RollerMove the door to save your space, decorate and beautify your home. furniture accessories, movable doors and windows, sliding glass doors, etc. Smooth and StableHelp the door maintain balance, prevent swinging and ensure smooth sliding Strong and SturdyMade of zinc alloy and nylon, it is durable with stable characteristics and long service time Apply toEasy to install and use. Suitable for cabinets, balcony doors etc. Features: 2 pieces 100% brand new and high quality door wheels. Move the door to save your space, decorate and beautify your home. Helps the door maintain balance, prevent swinging and ensure smooth sliding. Made Made of zinc alloy and nylon, it is durable with stable characteristics and long service time. Easy to install and use. Specifications: Condition: 100% brand new and high quality Material: zinc alloy, nylon Color: as picture show Size: approx. 7*3.4*1.5cm/2.75'*1.34'*0.59' Applicable: barn door Weight: approx.314g Package included: 2 * Barn Door Wheel Note: Please allow 0-1 inch error due to manual measurement. Thanks for your understanding.