Prevents Tearing Out - The Anti-Splinter Guard prevents tearing out on top of the material. It is most effective when cutting with the grain or diagonal to it. The Anti-Splinter Guard is compatible with jigsaws. Features and Benefits: • Prevents Tearing Out on Top of the Material • Anti-Splinter Guard prevents tearing out on top of the material • Most effective when cutting with the grain or diagonal to it Specifications: Length: 39mm Height: 7mm Width: 28mm Material: Plastic