This is a brake cover assembly for Husqvarna 136 137 141 142. It bolts directly onto your old/stock crankshaft and crankcase. It easily increases the power of your current saw. Easy installation, stable performance, high reliability. Features: 100% brand new and high quality. This is a brake cover assembly for Husqvarna 136 137 141 142. It bolts directly onto your old/stock crankshaft and crankcase. It easily increases the power of your current saw. Easy installation, stable performance, high reliability. Specifications: Condition: 100% brand new Color: as shown in the picture Material: metal and plastic Brake handle: approx. 13 * 4.7 cm / 5.1 * 1.9 inches Cover assembly size: approx. 15 * 10 cm / 5.9 * 3.9 inches Product weight: approx. 500 grams Package includes: 1 x brake cover assembly