Shop › Wood Darby 48" Image 1 of 1 Wood Darby 48" $69.00 Finishing tools are used at the end of the shotcrete process to shape and smooth the concrete. Add To Cart Added! Finishing tools are used at the end of the shotcrete process to shape and smooth the concrete. You Might Also Like Ground Wire from $45.00 Slurry- 50 lb. Bag $40.00 Fresno Finishing Tool from $97.00 Aluminum Finishing Rod from $175.00 24" Flexible Finishing Rod $109.00