"M" style large bobbins #MF25B0123,  steel (nickel plated) with  knurled stem for quick winding for Mitsubishi. 

Sold in pack of 5 pcs.    

Precision made in Taiwan.

Size:  25.4x10.8x6mm 

Fits Mitsubishi models: CU-865-22, DB-120-1/-2,

DB-130-22/132G-22/130G-22/189-22BZ/199-22,

DB-325-22, DX-370-10/20/22, DY-330-22/337/339-22/350-22/358-22/359-22, LS2-110/130-BOB/180-B1T, LS2-1130-B/1130-BOB, LT-350-22/359-22,

LX2-630-BO, LY2-340-BOB/380-B1T, PLK-1006, PLK-1210/1212/1410/1710/2520/4510/B2010R, PLX-20JR, YU-360-22, etc.