Main Function: Designed to replace the old and broken one, make your 4 inch mini cordless electric chainsaw come to life. Premium material: Made of high hardness material, resistant to wear. wear, durable, not easy to break, and can be used for a long time. Efficient work: The steel tooth design can make the chainsaw stuck on the tree branch, the cutting efficiency is higher and faster. Easy to replace: just use the wrench to turn the screw to adjust the tightness, then finally tighten the screw. Wide applications: Suitable for cutting wood, pruning tree branches, gardening, etc., for garden, orchard, farm, park or other places. Main Function: Designed to replace the old and broken one, make your 4 inch mini cordless electric chainsaw come to life. Premium Material: Made of high hardness material, wear-resistant, durable, not easy to break, and can be used for a long time. Work Efficient: The steel tooth design can make the chainsaw stuck on the tree branch, the cutting efficiency is higher and faster. Easy to replace: you just need to use the wrench to turn the screw to adjust the tightness, then finally tighten the screw. Wide Applications: Suitable for cutting wood, pruning tree branches, gardening, etc., for garden, orchard, farm, park or other places. Specifications: Size: 12 x 5 cm / 4.72 x 1.97 inch Note: Chainsaw is not included! Packaging: 3 x chainsaw chain