Hammer, Grinder Mixer.
3/4"ID x 2.00" wide X 5-1/16" long.
I believe this to be correct, that originally part number 263785 was for a set of 10 or part number 263780 was a set of 25.
These are being sold individually.
Please double check measurements, especially the ID. If your ID is 5/8", then you need part number 141938.
NH Models: 353, 354 Used on and ASN 374354., 355, 357, 358, 359.