Feature 1. 8 tooth 3/8" pitch with 7 spline hole. 2. Extends the life of the chainsaw, replace when worn to to keep chainsaw operating properly. 3. Easy installation. 4. Stable characteristics, high reliability. Condition: 100% new Color: As Show in the Pictur Material: Metal Size: approx.4.1 x 2.2x 0.8cm (1.6 x 0.86x 0.31inch)(OD x ID x H) Model: 3/8" Pitch, 8 Tooth, 7 Spline Item included: 1 x Rim Sprocket Compatible With Fit for Husqvarna 394 395 Chainsaw Fit for Stihl 064 066 088 090 MS660 MS880 Chainsaw