DESIGNED TO FIT 7/8 inch tubes (outside diameter) STEEL-REINFORCED for strength and durability EASY TO INSTALL by hand – no special tools needed THICK RUBBER is long-lasting with better grip GREAT COLORS to match your style Always a popular choice for our customers because it’s the standard style of rubber crutch tip included with most new crutches. Made exclusively for Top Glides these high-quality rubber style glides feature a steel insert for extra strength and durability. Thick rubber for better grip on floors and other surfaces. A versatile choice for use indoors and outside. Easy to install by hand – no tools needed.