1 set of replacement blades for 12 12 11. Form-fitting stripping even of difficult-to-remove insulating materials such as PTFE, silicone, Radox, Kapton, and rubber. Also suitable for multi-layered materials. A second pair of blades securely holds the remaining insulation in place. Interchangeable form blades are precisely matched to the respective conductor cross-section. Capacity for half-moon, capacity in mm², square connection, capacity for square, capacity for stepped square, capacity for triangular, clamping range for hexagonal, clamping range for round, clamping range for square, span width.