Please note - this comb comes in two different sizes but they look exactly the same. If your model number is not listed below it will not be compatible. You will need the slightly smaller one made for different models. The model numbers listed below use two different sizes of blades. This will only fit on the smaller standard blade 59300. It will not fit on the wider T blade 02144. These guide combs are compatible with Wahl trimmer models 3205, 3266, 5537, 5598, 9653, 968, 9685, 9686, 9816, 9837, 9854, 9854L, 9855, 9860, 9869, 9870, 9880, 9885, 9886, 9884, 9888, 9893, 9894, 9937, 9984, 9994, 5537, 9684, 9685 that use detachable parts. If your blade is only screw on and not detachable it will not be compatible. This comb is for the specific trimmer models listed above and will not work on any clippers. This comb adjusts from 1/16" - 1/2" (1.5mm-13mm). Made of plastic. New product sold in bulk with no original packaging. These combs are NOT compatible with any of the following model numbers: 5621, 5622, 5623, 8040, 8064, 8900, 8900-500, 9300, 9307, 9326, 9878, 9900, 9906, 9906C, 9910, 9916, 9916C, 9918, 9918-6171, 9918C, 9918D, 9920, 9925, 9940-502, 9961, 9962, 9971, 9985, 9990. Model numbers 9867 and 9876 have different versions. Each version has a different size of blade and these may not be compatible with your version. Please refer to the photos for the correct measurements and compare to your blade size. Replacement Six Position Adjustable Guard Comb for Wahl Lithium-Ion Trimmer