Maxi-Ball Mold Blocks

[smoothshooter]

I have a set of Thompson-Center .36 caliber mold blocks.
Which mold handles will fit on these blocks?
Large or small size?

 

[longcruise]

I have a set of Thompson-Center .36 caliber mold blocks.
Which mold handles will fit on these blocks?
Large or small size?

Are they steel or aluminum blocks? With steel i used Lyman handles but for aluminum I'm not sure.