Very useful extension device for use with any Luer-lock vaccinator or syringe. The Slap Shot is connected to the vaccinator in place of the needle, and the needle is attached to the Luer-lock extension tube end-piece. Vaccinating can then be carried out more easily using the vaccinator in one hand and holding the needle in the other. Especially useful on unrestrained or fractious animals. Length 75cm o.a.