Walnut Hollow Pyrography Wild Bird Ducks Creative Clock Blank Basswood Tree Bark. Brand new still sealed in plastic clock blank is made of tree bark and bass wood. It is printed with a nature design featuring a mother and baby duck swimming in a pond. The clock blank has a half inch thick clock face. You can use this blank to paint, color, or woodburn right over the screened pattern. Then you would affix the clock face into the pre-drilled and routed area. This piece measures approximately 10 1/2 x 14 inches. Please see photos and ask any questions before bidding. Thanks for looking and please check out my other auctions or visit my store for more unique, collectible, and vintage finds!