Genuine Yamaha bolts removed from an FJR1300. Used but in very good condition with no corrosion and just a few marks gained during use. Dimensions M6 x 1.0 thread 20mm long under the head, 10mm hexagon, 13mm head diameter. #4 torque specification mark on the head not #8 which is a lower torque application. UK seller. Price is for seven. Fit innumerable Yamaha models.