Harken 144 Standard Cam Base with Swivel. Use cam swivel bases when leads must rotate to face the trimmer. Ball bearing swivel bases feature dual rows of Delrin ball bearings that swivel freely even under high loads.

• Height: 146mm
• Weight: 369g
• Min line diameter: 3mm
• Max line diameter: 12mm
• Fastener spacing:19mm
• Use with 57/75mm light duty ratchets