Kunz Replacement blades HSS for … Kunz Replacement blades HSS for Block Plane K12.9 1/2 Item No. K03.9 1/2S Kunz Replacement blades HSS for … Kunz Replacement blades HSS for Block Plane K12.9 1/2 × Kunz Replacement blades HSS for Block Plane K12.9 1/2