Get current pricing for Oem, 1281-05 Knowles Pins: Date Of Mfr.:na(4) 6inch(4) 5 3/4inch(4) 5 1/2inch(4) 5 1/4inch(4) 5inch(3) 4 1/4inch(4) 4inch(4) 4 3/4inch(4) 3 1/2inch(4) 3 1/4inch(4) . Product Category: Medical Equipment, Sub Category: Surgical - General: