The ornamental design for a pair of balanceweights for drum type washing machines, as shown and described.
1. A pair of balance weights for drum type washing machines
1.1 : Perspective
1.2 : Front
1.3 : Back
1.4 : Left
1.5 : Right
1.6 : Top
1.7 : Bottom
1.8 : Exploded
The broken lines showing of the portion of the washing machine where a pair of the balance weights for drum type washing machines is installed in the drawings are for the purpose of illustrating environmental structure form no part of the claimed design; reproduction 1.8 is an exploded perspective view showing the portion of the washing machine and a pair of balance weights for drum type washing machines.