The Paralizer for pole spear is made with stainless steel Aisi 304. the toal lenght is 240mm . 3 prongs with barbs for a better result during the fishing action. The diameter of the 3 prongs is 4mm. Made in Italy by Salvimar \n\nTECHNICAL DETAILS \n- Paralizer for PoleSpear \n- Thread M6x1 \n- Material: Stainless steel.