Features: 1. Chain saw chain brake assembly, well-made, is a perfect substitute for broken parts. 2. Made of high-quality iron material, durable in use, wear-resistant, and not easy to deform. 3. Simple installation and disassembly, high accuracy, compatible with original equipment. 4. Perfect chain saw accessory, strong practicality, helps improve chain saw working efficiency. 5. Replaces part number 537107901, suitable for Jonsered 2149, 2145, 2150, 2159, CS2156, CS2159, 2141 chain saws. Condition: Item Type: Chain Brake Assembly Material: Iron Weight: Approx. 277g / 9.8oz Application: For Jonsered 2149, 2145, 2150, 2159, CS2156, CS2159, 2141 Chain Saw Replacement: 537107901 Package Included: 1 x Chain Brake Assembly