Inditradition Premium Quality Plastic Castors & Roller Wheel For Chairs & Trolly (04 Pcs. Set) - Thread Type - Easy Installation 04 Pc. Set Exclusive Export Quality. Manufactured in high grade Polypropylene Plastic Ideal For Executive Office Chair / Travel Trolley Bag Easy Installation with Thread Type Pin. No Need to call Carpentor Load carrying capacity up to 100 Kgs which is best in class Fixing Stem Size : 0.8cm x 1.5cm/ 0.3" x 0.8"(D*H);Wheel Diameter : 5.1cm/ 2" :: Total Size (Approx.) : 5.5 x 8cm/ 2.2" x 3.1"(D*H);Color : Black