Hello, I invite you to purchase HIGH QUALITY (RADURA PARTS) fixed knives used in forage harvesters of Claas and John Deere combines. Technical parameters: Diameter of mounting holes (mm): 12 mm Length (mm): 195 mm Width (mm): 50 mm Thickness (mm): 3 mm Comparison numbers: 060030, 42253, D49019000, Z35241, 178.6030.00, 0000600300, 41001121, B103406, P700076, 0000600300KR, 6003 10Z, 281400N, 52900016, H142141A product of excellent quality, tested on a large number of customers - 100% satisfaction.