Size Type Thickness (mm) Spring Length (mm)
M6 No Spring 5 n/a
M8 No Spring 5 n/a
M10 No Spring 8 n/a
M12 No Spring 8 n/a
M6 Short Spring 5 10
M8 Short Spring 5 10
M10 Short Spring 8 10
M12 Short Spring 8 10
M6 Long Spring 8 35
M8 Long Spring 5 35
M10 Long Spring 8 35
M12 Long Spring 8 35