Zoom icon Click to expand Tap to zoom Chevron down icon Chevron down icon Kiln Venting Prop Sale $7.00 | / SKU SK0168 1 2 3 4 5 6 7 8 9 10+ Quantity Chevron down icon Quantity Add to cart Spinner icon Add to Wishlist The Skutt Prop brick is used for holding the lid of the kiln open during preheating and cooling. Kilns with a LidLifter system installed had a built in lid prop.