Insect Pinning Block made from quality hardwood. Perfect for pinning and setting insects or other specimen. Each top hole has a 0.125" (3mm) diameter and a different depth. The depth of each hole can be seen through the side of the block through 0.25" (6mm) diameter holes. The pinning block is approximately 3" long, 1" wide, and 1.5" tall. Features a white top to display specimen. There is a 0.5" spacing between each hole. This Insect Pinning Block is perfect for pinning and setting insects or other small specimen. Each pinning block is made from quality hardwood and features a while top to display specimen. Each top hole has a 0.125" (3mm) diameter and a different depth. The depth of each hole can be seen through the side of the block through 0.25" (6mm) diameter holes. The pinning block is approximately 3" long, 1" wide, and 1.5" tall. There is a 0.5" spacing between each hole.