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 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 first rear tenon;
• at least one interconnecting member including a second rear tenon and a second front groove member;
• and
• at least one first fastener driven through the at least one first hole to urge against 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.