Brass Tea Trolley Castor Grip Neck. Quality manufactured solid brass castor. A push socket is included with each castor and these are easily fitted to your furniture just by tapping them into position. Widely used throughout the upholstery, interior design and furniture industry. These tall castors are practical as the height makes them ideal for moving across your floors without getting caught in carpets, rugs, etc. Full dimensions at the bottom of this page.