• Marine grade, mirror polished 316 stainless steel, anti rustand, great perfect addition to any helm for boat. Allows bearing spinning knob to maneuver the steering wheel fast.
• Universal fits for boat destroyer steering wheel from 5/8" to 3/4".
• Size: Grip knob diameter. Large :1-3/4", Meduim : 1-5/8", Small: 1-1/2" , Grip Height: 1-7/8". Please measure your knob diameter and choose the correct size for your need before purchase.
• Attaches quickly to any steering wheels from 5/8 to 3/4" inch.
• Cone shape design provide comfort grip when maneuver.