Customized thread lengths are available.  Call for more details. 

Features:

•     Adjustable height Screw-in glide
•     Polyethylene Base for long lasting life
•     Threaded and Plated
•     Eliminates noise from sliding chairs
•     Keeps floors clear from scratching or marring and damaging floor surfaces
•     Excellent for leveling chairs, cabinets, tables, office furniture and light duty machines

Specifications:

•     Thread Size:  5/16" - 18
•     Thread Length:  1''         
  
•     Base Diameter:  1 ⅝''    
•     Material:  Polyethylene