The ALM Manufacturing Replacement Chainsaw Chains are designed to fit a wide range of chainsaw makes and models. The ALM CH045 Chainsaw Chain features a 3/8 inch Low Profile (L/P) with a 0.043in guidebar slot (0.375mm). This chain is suitable for saws with a 30cm bar and 45 drive links, including the Black & Decker GK1730TK model. Specifications: Type: Chainsaw chain. Chain pitch: 3/8 inch. Drive links: 45. Gauge: 1.3mm.