Parker Variant Adjustable Safety Razor - Graphite. The Parker Variant Adjustable Safety Razor in Graphite is a precision tool that is perfect for beginner wetshavers and experts alike. The blade angle can be adjusted by turning the knob on the bottom of the razor, so that the exposure can be set to each individual's preference. This beautifully designed black and satin chrome plated all brass frame is a heavyweight, smooth shaver.