Color: SilverMaterial: steelCompatible:For Stihl 030, 031, 032, 038 , 044, 046, 064, 066 , MS311, MS361, MS362 , MS391, MS440, MS441 , MS460, MS650, MS660For Husqvarna 61, 162, 181, 266 , 268, 272, 281, 288 , 298, 362, 365, 371 , 372, 385, , 390, 394 , 395, 2100, 2101, 3120For Oregon 16372X, 22271X, 26580X, and 28563X Power Mate Rim Sprocket SystemsFor Dolmar 122, 123,133,143, CA.For Conserved 820, 830, 910, 920, 930.For Olympic 260, 261, 271, 272, 280, 281, 284, 400, 460, 461, 480, 481, 482.Part No. for Oregon , 22273 , for Stihl 0000 642 1216Size: 3/8 inch Pitch, Tooth :8, 22mm Inner HolePackage Included:4 x Sprocket RimOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.