Blade for STIHL hedge trimmer models: HS 81 HS 81 R HS 81 T, HS 86 R CHARACTERISTICS: outer blade Yes inner blade Yes overall length in mm 860.00 cutting length in mm 600 material thickness in mm 4.00 unilateral/bilateral both sides Part No.: 6-655 Original part No.: STIHL 4237 710 6051 CZ