Sliding gauge for making measured markings

A hand held device for making measured markings on a work piece, the device comprising:

• an elongated body having a bottom surface and a side surface;
• at least one butting surface connected to the bottom surface of the body having a substantially flat front face perpendicular to the body sized and shaped to slidably butt against an edge of a work piece;
• a plurality of guiding wells adjacent the side surface sized and shaped to receive a point of a marking instrument spaced at a predetermined distance from the front face of the butting surface, each guiding well having a proximal wall providing a first instrument stop for a first measurement and a distal wall providing a second instrument stop for a second measurement ⅛ inch from the first measurement allowing placement of instrument stops at ⅛ inch intervals;
• at least one telescoping member having a top face parallel to the body and a substantially flat top edge providing guidance for a point of a marking instrument while the butting surface is slid along the edge of a work piece;
• a plurality of reference markings on the top face of the telescoping member marking distance from the top edge of the telescoping member to the front face of the butting surface;
• and
• at least one fixing means adjustably fixing the relationship between the telescoping member and the body, the telescoping member extendable and retractable to distance shown by the reference markings.