RGM Soft Grip Painting Knife #106 (Yellow Handle) RGM Painting Knives from $5.87 $11.25 Qty. Add to Cart SKU: RGR106 This item is currently on backorder but you can still purchase it now and we'll ship as soon as more become available. Length: 4" Width: 1 9/16" (10 3/10cm x 4cm). RGM Painting Knife Plus #106 with Yellow Rubber non-slip handle. Tweet