The K0255.50127X20 is produced by Kipp and is described as a KIPP K0255.50127X20 FIVE LOBE GRIP D1=50 D=M12X20 H=348 FORM:L THERMOPLASTIC BLACK RAL7021 COMP:STEEL CAP:YELLOW RAL1021
Kipp 06253-50127X20 Thermoplastic/Steel Novo?Grip Grey Five Lobe Grips with M12 External Thread, Steel Bushing, Metric, 34.8 mm Height, 50 mm Diameter, Bright Yellow Color (Pack of 10)