Sweetheart No. 60 1/2, 6-1/2 in. Low Angle Block PlaneThis Sweetheart 6 1 2 in. Low Angle Block Plane is made from extra thick 1 8 in. (3. 18 mm) A2 steel for excellent edge retention. The base is precision ground ductile cast iron with solid brass hardware for smooth adjustments. A norris type adjuster includes a lateral locking feature, while the 12 low angle bed is great for cutting end grain. California residents see Prop 65 WARNINGS Iron crafted from extra thick 1 8 in. (3. 18 mm) A2 steel for