• Cylinder Knob
  
• Material: 304 Stainless Steel
  
• Finish: Chrome (Brushed Nickel pictured) 
• Standard plastic washers included to protect against glass to metal contact

Specs:

• Fits Shower Door Glass Thickness: 1/4" to 1/2"
  
• Hole diameter required in glass: 3/8" to  1/2" (you can NOT drill thru tempered glass)
  
• Knob Diameter: 3/4" (19mm)
  
• Knob (without end cap): 1 1/4" (32mm)
• End cap: 5/32" (4mm)
  

Shipping:

• Free to the USA
• $9 Worldwide