Roller material: Solid zinc alloy & SUS304 stainless steel&Brass with plastic cover
Roller wheel diameter: 23mm & Roller wheel thickness: 5.5mm
To fit maximum glass thickness: 4-6mm & to fit Minimum opening Hole size in the glass: greater than 9.8mm
DIY replacement: It is easy and convenient for this door rollers and you can simply disassemble it by screwdriver and replace with new rollers on glass doors.
Package includes: 4pcs shower door Rollers (2pcs top rollers and 2pcs bottom rollers).