Specification Brand : ARREPONT BulletPoint1 : Replaces Husqvarna Part Number: 501 53 71-01 (501537101) Fits models: Husqvarna 61 66 181 266 268 272 281 288 Chainsaws BulletPoint2 : Chain Tightener Kit is for One Chain Tensioner Kit Includes Three pieces. BulletPoint3 : MODEL NUMBER:501537101 Chainsaw Chain Tensioner BulletPoint4 : This kit is used to apply adjustable tension to the chain. If the bar doesnt adjust when you turn the tension,screw usually the tension gear/pin or the adjustment bolt is worn or damaged. BulletPoint5 : MONEY-BACK GUARANTEE: For any reason you're not completely satisfied, you can ask for a replacement or full refund, no questions asked. Color : Black ExteriorFinish : Steel ExternallyAssignedProductIdentifier : 7059730791835 ExternallyAssignedProductIdentifier1 : 705788535415 ExternallyAssignedProductIdentifier2 : 0705788535415 FinishType : Unfinished GpsrSafetyAttestation : 1 HandOrientation : Ambidextrous ItemName : Chain Adjuster Tensioner 501 53 71-01 For Husqvarna Craftsman 266 268 272 281 & 288 61 66 181 Chainsaw 501537101Adjuster Tensioner Screw ItemPackageDimensions_Height : 8.89 centimeters ItemPackageDimensions_Length : 0.635 centimeters ItemPackageDimensions_Width : 6.35 centimeters ItemPackageQuantity : 1 ItemShape : T-Shaped ItemTypeKeyword : chain-saw-accessories Manufacturer : HUA NAN Material : Alloy Steel ModelNumber : 515980901 NumberOfItems : 1 PartNumber : 515980901 PowerSourceType : gasoline-powered ProductDescription : Product description Replaces Husqvarna Part Number: 501 53 71-01 (501537101) Fits models: Husqvarna 61 66 181 266 268 272 281 288 Chainsaws Chain Tightener Kit is for One Chain Tensioner Kit Includes Three pieces. This kit is used to apply adjustable tension to the chain. If the bar doesnt adjust when you turn the tension,screw usually the tension gear/pin or the adjustment bolt is worn or damaged.