The Groz Jack Bench Planes redefine woodworking excellence, embodying a perfect fusion of exacting tolerances and traditional craftsmanship. With a robust grey cast iron base meticulously machined to high precision and a sole flatness maintained within 0.003" (0.075 mm), these planes offer unparalleled accuracy. The spring steel cutter blade, hardened to 55+5 HRC, guarantees a razor-sharp, easily honed edge, and the flawlessly machined blade seating eliminates any unwanted chatter during operation. The fully adjustable frog empowers users to customize settings for specific tasks, complemented by an attractive hardwood handle, knob, and brass detailing. Ideal for heavy stock removal when preparing sawn timber prior to final finishing. For specialized needs, The Groz Bench Planes also come with a corrugated base option, particularly advantageous for working with resinous timbers and heavy stock removal. Available in a 14" (355 mm) length with 2" (50 mm) cutter width, these planes are the pinnacle of woodworking precision.