KitcheN Cabinet Shelf Supports

I need to replace some broken shelf supports in my kitchen cabinets. A few days I purchased some replacements form swisco (part #32-299). Unfortunately, the small dowel part of the support that insert into the shelf holes in the cabinet (follow?) are too small. Do you have the same supports available with a larger dowel/nib (whatever you call it). Not longer--same length, bigger diameter.

Thanks
Mark