For joining 16 and 19 mm boards using blocks (Ø 8 mm) or screws. High quality finish with no need for later adjustment. Any type of joint can be made, either square jointing or centre board jointing. Ideal for various professional uses such as: small jobs, making small orders, adjustments, repairs etc. The standard kit includes the following items: supplements for 16 mm boards, reducer screws and stop for chuck.