Tools holder

A tools holder comprising:

• a base including a rear fastening member configured to secure to a mounting groove of a lathe, and a single first front groove member, and at least one first hole extending from an outer surface to the first front groove member;
• a blade including a front cutting member and a single first rear tenon;
• at least one interconnecting member including a single second rear tenon and a single second front groove member;
• and
• at least one first fastener driven through the at least one first hole to urge against on the first or second rear tenon for fastening the base and the blade,
• wherein the at least one interconnecting member is optionally connected between the base and the blade;
• when the base is directly connected to the blade, the first rear tenon is fitted into the first front groove member;
• when the at least one interconnecting member is applied, the second rear tenon is fitted into the first front groove, and the first rear tenon is fitted into the second front groove, wherein a dimension of the first front groove is identical to that of the second front groove, and a dimension of the first rear tenon is identical to that of the second rear tenon;
• wherein in a cross-sectional view along a longitudinal direction of the tools holder, the first front groove member has a first elongated slot formed between a first upper elongated portion and a first lower elongated portion, the second front groove member has a second elongated slot formed between a second upper elongated portion and a second lower elongated portion, and the rear fastening member has a third elongated slot formed between a third upper elongated portion and a third lower elongated portion;
• wherein the first elongated slot, the second elongated slot and the third elongated slot are arranged along a longitudinal axis of the tools holder.