Color Rite/K-Tool Products
Rock Mold

8 Mold Set
Walthers Part # 211-801, p. 334 Walthers 2012 HO Scale Reference
A scale, $39.95, currently in stock at Walthers
This product is on-sale today for $35.98

 
Made of soft vinyl for the "Wet Method" of applying rock castings. Each mold allows unlimited variations, using finger and thumb pressure. Almost indestructible, will not lose detail with use. Unconditional, free, lifetime replacement guarantee by Color Rite.
 
Include one each #211-802 - 809.