Aluminum material and CNC process improve the parts. Replaces stock plastic lever that's known to break. Easy to install, No Installation Instruction of this lever is good for thumb pressing and anti-skid, add comfort and reduces thumb fatigue Condition: :CNC Anodized Type:Thumb Throttle Control Lever Fitment: Fitment Type: for ATV UTV For For 2009-2018 Sportsman 550/570/850/1000 For 2009-2018 Scrambler 500/850/1000 For Replaces the thumb throttle lever in the following housings: 2010359 and 2010336 Color: black Material: metal Package Contents: 1pcs * Thumb Throttle Control Lever Only the above package content, other products are not included. Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.