Slick Trick Standard Broadhead Replacement Blades are a one inch standard extra blades with washers. Contains enough blades to replace 3 heads and fits 85, 100 and 125 grain ferrules. These blades are razor sharp and are made of Lutz Solingen German stainless steel. Feataures a 1 inch cutting diameter with .030 - .035 inch blade thickness. These broadhead blade replacements are 4 blade deadly!