ITEM NAME:2 Sprocket Rim 3/8-7 T fit for Stihl MS380 MS381 MS440 MS441 MS460 MS660 Hf 2PCS Rim Sprocket 3/8" 7 Teeth Fit For Stihl MS380 MS381 MS440 MS441 MS460 MS660 Chainsaw SPECIFICATIONS.2PCS Rim Sprocket 3/8" 7 Teeth Fit For Stihl MS380 MS381 MS440 MS441 MS460 MS660 Chainsaw. Compatible With: Fit for Stihl MS380 MS381 MS440 MS441 MS460 MS660 Chainsaw. Item included: 2 x Rim Sprocket.