[12FF-10] Drywall Master Step Washer

Step Washer for Drywall Master Flat Box

For Drywall Master Flat Boxes 12" (12DMFF), 10"(10DMFF),  7"(07DMFF) and  5"(05DMFF) 12" (FB12), 10"(FB10),  8"(FB08) and  5"(FB05)