Designed for chainsaw models requiring 3/8" Low Profile pitch, .050" (1.3mm) gauge and 57 drive links. These chainsaw chains are compatible with all standard chainsaw brands including the following models: AL-KO: BKS 4040 Alpina: C38 Atika: BKS38, BKS38A, KS2002/40, B1, EK2200 Basic: EK 1800-2 B&Q Performance Power: TRY2000CSA Bosch: AKE40-19 Pro CM I: 2040KS, 2040KSI, 2040KSS Elektro, 4-40, C-BKS 45, C-BUS 38, CMI 45-40 Grizzly: EKS 2440 QT ,EKS2240 QTX Hanseatic: EKS 1640, EKS 2240 QT Hurricane: HEKA 20-40, HEKA 24-40, HEKE 22-40, HHEK 24-40, PS2000-40E, MKS42/45 LUX: 1/40, B-KS 40, E-KS 2200/40L, EKS 2400-40, E-KS-2400/40 A, E-KSL-2200/40, 4/45, BKS 46, BKS-45/45 MM Matrix: EK2400-40 AK Mr. Gardener: BKS 2040, EKS 2440 LM, EKS2040, EKS2040/1, EKS2040/2 3540C, RCS 4040CA, RCS 4040CB, RCS 4040C2, RCS 4240B Scheppach: CSH46 Sterwins: ECS2-40.3, PCS2-40.3, ECS1-40.3 Stanley: SCS-46 Jet Stiga: SEV 2416 Q, SP 386 16 Inch Spear and Jackson: S2040EC Titan: TTL758CHN / YT4359 Tonino Lamborghini: KS 6024 Wingart: KS 2200-40 Wolf: CSE 2240 Worx: G303E, 91PX060E And other compatible models from the following brands: AL-KO, Alpina, Atika, Bosch, CMI, Grizzly, Hanseatic, Hurricane, LUX, Mac Allister, Mr. Gardener, Scheppach, Stanley, Sterwins, Stiga, Worx. This saw chain met the anti-kickback performance requirements of ANSI B175.1-2012 when tested in accordance with the provisions of ANSI B175.1-2012. This low-kickback chain meets the anti-kickback performance requirement of CSA Z62.3.