Exclusively from myTypewriter.com, the original online classic typewriter store, these brand new hard-to-find replacement spool nuts fit perfectly for most vintage Olivetti - Underwood brand manual and electric typewriters that use the B53 style ribbon spools with 1/4" central spool hole. These spool nuts are essential to hold down the ribbon spools with tension so that the ribbon will rotate properly when typing. Made from high quality stainless steel, once installed, our replacement nuts look and perform nearly identical to the original ones.

Olivetti Lettera 22 • Olivetti Lettera 31 • Olivetti Lettera 32 • Olivetti Lettera 33 • Olivetti Lettera DL• Olivetti Dora• Olivetti Studio 42 • Olivetti Studio 44 • Olivetti Studio 45 & etc.

Olivetti-Underwood

Olivetti-Underwood 21 • Olivetti-Underwood 319 • Olivetti-Underwood 320  • Olivetti-Underwood Lettera 22 • Olivetti-Underwood Lettera 31 • Olivetti-Underwood Lettera 33 • Olivetti-Underwood Studio 44 • Olivetti-Underwood Studio 45, and etc.

Please contact us if your model is not listed above.

Quantity: Set of 2

Material: Stainless Steel