RGM Painting Knife Plus #012 RGM Painting Knives from $5.56 $9.95 Qty. Add to Cart SKU: RGQ012 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Length: 2 5/8" Width: 9/16" (6 8/10cm x 1 4/10cm). RGM Painting Knife Plus #12 with dark brown bubinga wood handle. Tweet