This extra long 10-position adjustable trimmer guide comb fits standard and ultra-close trimmer blades. The adjustable lever allows you to achieve cutting lengths between 12mm on the lowest setting to 21mm on the largest setting. It fits trimmer blade models: 59300-800, 52006, 41060-7880, 2145-400, 2145-500, 2229-300, & 2229-1001.