Rare Underwood 4 Bank Typewriter Ribbon Spool Thumb Screw Standard Portable

Special Thumb Screw to Hold Underwood 4 bank Typewrites Spools. 

You will Get 1 Screw Thumbs in this Listing. 

Used with marks . 

These are the Essential Screws used for Underwood 4 Bank Typewriters to make sure that the Spools are held to the Typewriter. 

This Nut will fit only the Underwood Standard Portable 4 Bank Typewriter. 

Many lost screws , that’s your chance to complete your typewriter.