Specification Brand : Aexit BulletPoint1 : Carbon motor brush, fitness:miter saw,chop saw,drill, hammer drill, debris collector,blower motor,motorcycle,plant whacker,cut-off saw BulletPoint2 : Carbon Brush Size (Approx.): 20mm x 5mm x 4mm(L*W*H),Spring Length: 24mm(0.9") BulletPoint3 : Net Weight: 4g; Material: Carbon, Metal; Main Color: Gray, Gold Tone BulletPoint4 : This size can be made to fit most tools with replaceable brushes. BulletPoint5 : Set includes 2 brushes,Replace brushes every 60 hours Color : Dark Beige Casing ExternallyAssignedProductIdentifier1 : 0616469838728 ExternallyAssignedProductIdentifier2 : 616469838728 ItemName : Aexit Aexit Carbon Mounts & Accessories Brush 20mm x 5mm x Accessories 4mm,2 Piece ItemTypeKeyword : motor-accessories Manufacturer : Aexit Material : Carbon ModelNumber : modle NumberOfPieces : 2 PartNumber : f190412ae019321 ProductDescription : 1. Pair 20mm x 5mm x 4mm electric replacement motor carbon brushes. 2. Carbon motor brushes are one of the most commonly replaced power tool components. 3. Carbon Brushes with wire leads and brush springs attached. Worn brushes are often the cause of a poorly running motor.