The RYOBI Shear and Shrubber blades are designed to fit RYOBI 18V ONE+ models: P2910, P2900BTL, P2960, P2906BTL, P2970, P2907BTL, P2980 and P2908BTL. The 8 in. Shrubber blade has a 5/16 in. cut capacity and is perfect for small bushes or to work in tight spots. The 4 in. Grass Shear blade is perfect for trimming grass in those more delicate areas around flower beds and under bushes.