Polished 65# Mn steel blades (accuracy: +0.005/-0.003mm) are lightweight, sturdy, and durable. All 32 blades fold into a compact 89mm × 180mm case for easy carrying on the job or in a tool bag. Imperial Blades (in): 0.0015, 0.002, 0.0025, 0.003, 0.004, 0.005, 0.006, 0.007, 0.008, 0.009, 0.010, 0.011, 0.012, 0.013, 0.014, 0.015, 0.016, 0.017, 0.018, 0.019, 0.020, 0.021, 0.022, 0.023, 0.024, 0.025, 0.026, 0.028, 0.030, 0.032, 0.035.
