M5/5 mm A4 MARINE GRADE EDELSTAHL STECKSCHLÜSSELSCHRAUBEN, INBUSSCHLÜSSEL KOPFSCHRAUBEN
Thread size is M5 (5mm dia.). x 0.8mm pitch. Allen key sizes: M5=4mm key. Socket Cap Allen Bolts. Manufactured from A4 marine grade stainless steel for maximum corrosion resistance. A4 Stainless Steel.