DXGST22788 Spark Plug APPLICATIONS Mutineer Starter Rope Grip As a trimmer. * Cutting grass and light wades. Throttle Lockout * Edging ยป Decorative trimming around trees, fences, ete, On/Off Switch Other optional attachments may be used with this unit. Shoulder Strap / Harness Lapp ASSEMBLY TOOLS REQUIRED Upper Shaft * {4 mim) Allen wrench {included) Housing Throttle Control Lower Shaft Housing Handle Choke Lever Couplet Air Filter Caver Cutting Head Hanger Gap Suiting Head Line Cutting Blade Primer Bulb .