Material and construction: stainless steel construction with surface hardening for enhanced durability and sturdiness. Function and benefits: provides a precise fixed angle reference for setup and testing of workpieces, improving repeatability and reducing setup time. Compatibility: designed for use with milling machines, planers, and adjustable angle grinders; suitable for integration into standard fixture setups. Performance attributes: durable and sturdy in demanding machining environments; stainless steel offers corrosion resistance and long life. Size note: sizes vary by model; please refer to the product listing for exact dimensions and fit. Use scenarios: Milling machines: use as a fixed angle reference to position workpieces for accurate milling cuts. Planers: align and test workpieces to verify angle accuracy before planing operations. Adjustable angle grinders: guide or check fixed angle cuts and ensure repeatable results during grinding tasks.