The 4 x 6 Adjustable square is a very high quality square that feels great in use and will give a lifetime of accurate precision. It is easy to keep in adjustment if ever needed using two set screws. Instructions and a hex key are included. The body is made from a high strength aluminum alloy and coated with a state of the art ceramic coating. All of the edges are carefully chamfered for comfort and to protect your work from scratches. The infills are recessed and provide a warm, comfortable grip. Lie-Nielsen Australia stocked standard is Sheoak with midnight blue handle (Lead times may be long for custom orders, email for a list of current options). The blades are hardened high carbon steel and can be ordered with a ceramic coating or polished. You will need to keep the blade oiled or waxed like any precision steel instrument. The Hardware is stainless steel and can also be ordered either Black or Satin Stainless. Some of the options are shown in the photograph.