CHAIN 3/8LP-91S PRO. SEMI-PROFESSIONAL TOP WITH ROUND TOOTH (SEMI-CHISEL) COMPATIBLE WITH CHAINSAW VARIOUS MODELS PITCH: 3/8 LOW PROFILE THICKNESS: 1.3 mm LINKS: 57 PRO. SEMI-PROFESSIONAL CHAIN TOP WITH ROUND TOOTH (SEMI-CHISEL) Thanks to its extraordinary price-performance ratio, the PRO. TOP is suitable for semi-professional and hobby use. CODE: 91-57 ORIGINAL CODE: CZ