Easy adjustable fins help to get the job done fast.

We have models for every size project

Expanfins can fit in holes as small as 1-7/8"

MODEL #130

Made of plated steel, 5"adjustable wheels, 3/8"x 24"shaft. for 1/2"drill of 450 or more r.p.m. in 12"diameter pail of drywall mud, ceramic thin-bed mortar, ceramic slip, vinyl fabric cement, etc... For 16" diameter container of paint viscocity material use 3/8"drill of 1000 to 1200 r.p.m.