◆The Sanding Screen be made of black corundum. ◆The Drywall Sanding Screen are fit for most of hand sander or pole sander. ◆The Drywall sand mesh can be used in dry or wet condition. ◆The sanding mesh can reuse, easy to install and remove. 【Easy to install】The pre cut drywall Sanding Screen is fits most of hand sander or pole sander. 【Professional design】Double sided sanding screen resists clogging because of its open mesh design,Fine grade. 【Usage】Sanding joint compound and patching plaster etc. 【Durable】Can be used in dry or wet condition. Can be rinsed and reuse. 【Dimension】L x W x H: 11-1/4" x 4- 3/16" x 1/25". Package: 18pcs.