Block Hive Beetles For Good With Clark’s Beetle Blocker ShimFeatures: High efficacy rate 6 flange holes Aids winter ventilation Made of cypress wood with aluminum inserts Use: Clark’s Beetle Blocker Shim is a brand new pest prevention product invented by Clark Taplin. This is the last product you’ll ever need to buy to not only fight beetles, but to keep them out of your hive for good. This unique product exploitsthe weakness of the hive beetle; its inflexible exoskeleton.Being hard, brittle, and rigid, the hive beetle can’t negotiate certain angles or turn certain radii. By structuring the Beetle Blocker wall with 6 holes of flanged’ or concave design, these beetles suddenly have an incredibly difficult time entering your hives. Hive traps are all well and good, but why not excludehive beetles altogether. Make sure to select your hive type at checkout.If you’re looking for a more cost-effectivepest control solution, check out ourHive Beetle Trap OilandCutt’s Beetle Blaster.[tab]10 Frame Weight 1.5 lbs Dimensions 20 16.25 .75 in8 Frame Weight 1.5 lbs Dimensions 20 13.75 .75 in5 Frame Weight 1.15 lbs Dimensions 20 9.5 .75 in