

Stihl part number 4242 641 4900 is a 4.4 mm Sleeve (also referred to as a bushing, spacer, or guide sleeve). It is a genuine OEM replacement part used in the mechanical assemblies of various Stihl hedge trimmers, including :
Standard Hedge Trimmers: Stihl HS 46, Stihl HS 46 C-E
Long-Reach Hedge Trimmers: Stihl HL 56 K, HL 91 K, Stihl HL 92 C-E, Stihl HL 94
Cordless Models: Stihl HSA 60, Stihl HSA 100
KombiTool Attachments: Stihl FH-KM 145, Stihl HL-KM
Specifications
Inner Diameter: 4.4 mm
Outer Diameter: 8 mm