Replacement Foam for IBM Model F, Beamspring Keyboard PC XT AT F122 5251 3278 DW

F122 - fits 122-key Model F "F122", 104-key Model F "F104" "Unsaver", 4980, 3205, 4704 Display Station Model 200 "F62" "Kishsaver", 4704 Model 300 "F77", 4704 Model 400 "F107". - 3278 and 3277: if your keyboard does not have the numpad, simply cut it off.

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