Feature●Replaces OEM Part Numbers: 4238 140 1800, 4282 141 0300, 4282 141 0300B●Compatible with Stihl Models: BR500, BR550, BR600●Length: 8"●Width: 3 1/4"●Height: 1 1/4"Description Replaces OEM Part Numbers: 4238 140 1800, 4282 141 0300, 4282 141 0300B