Shoulder Strap, Product Type Shoulder Strap, Color Black; Red, Diameter Not Applicable, Material Nylon, Compatible Manufacturer Number 2725-20ST, 2825-20ST, Trimmer Line Shape Not Applicable, Overall Length 37 in, Compatible Grainger Part Number 55MN10, Compatible Product Type M18 FUEL Power Head with QUIK-LOK, M18 FUEL String Trimmer, Overall Height 1/4 in, Overall Width 3 1/2 in