The article deals with the problem of the holding the writing instrument in students aged 7-13. The purpose of the empirical research was to determine how often primary school students have problems regarding the ways of holding the writing instrument while performing graphomotor activities and what problems it is – detailed diagnosis of irregularities in a quality and quantitative aspect. For the purpose of this paper, the results of studies carried out using the author’s two diagnostic tools were used: “The Profile of Graphomotor Skills” (PGS) [1] and The Chart of Assessment of Graphomotor Skills (CAGS) (Domagała, Mirecka, 2010b, 2017a), like previously in the case of a study devoted to problems to body posture (Domagała and Mirecka, 2023).