ITEM NAME:4-Stroke 4 Boat Marine Outboard Tiller Handle Lever Throttle Assembly Description: This is a throttle steering arm tiller handle with throttle cable. Non-slip handle design for smoother operation. Direct replacement , easy to install. Hole Diameter: 21mm / 0.83 inch Fitment: for outboard 4 stroke 4HP Specification: Material: Plastic Color: Black Package Includes: 1 Set Throttle Lever Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Color may be slightly different from the pictures because of different screen and light. Please kindly understand. SKU: DMO0000401967009356.This is a throttle steering arm tiller handle with throttle cable. 1 Set Throttle Lever. Non-slip handle design for smoother operation. Color may be slightly different from the pictures because of different screen and light.