2pcs 6 Inch Wheelchair Replacement Rubber Wheels Front Wheels Rollator Walker Non-slip Replacement Casters Universal Wheelchair Replacement The overall dimension of the wheel (diameter x width) is 150mm x 24mm / 5.9 x 0.94, the inner diameter of the center bearing is 8mm / 0.3, and the length of the axle screws is 75mm / 2.95. (Please check the detailed dimensions in the product images before purchasing.) Package includes: 2x Gray Front Spare Wheels, 2x Axles. Easy and convenient to install without complicated steps, saving time and effort. Made of high-quality and environmentally friendly rubber material, this solid replacement wheel set is anti-slip and dustproof with strong wear resistance and load-bearing capacity. Wide application on mobility devices and healthcare equipment. Compatible with most wheelchairs, walkers, rollators, and other replacement accessories with 6-inch wheels. This front wheel replacement set provides a quiet, smooth, and light ride on all surfaces, suitable for both indoor and outdoor use. Economical, practical, and built for long-term use. Ideal replacement for 6-inch rubber wheels on wheelchairs, rollators, and walkers. Easily replace them on your own. Specifications: Material: Solid Rubber Color: Gray Overall Wheel Dimension (Diameter x Width): 150mm x 24mm / 5.9 x 0.94 Center Bearing Inner Diameter: 8mm / 0.3 Distance Between Bearings on Both Sides: 40mm / 1.57 Axle Bolt Length: 75mm / 2.95 Total Weight: 700g Package Includes: 2 x 6-inch Gray Front Spare Wheels 2 x Axle Screws