Allen Open Front Vernier Adjuster

Open Front Vernier Adjuster. Allen Vernier Adjusters are made from high quality stainless steel to ensure they are lightweight yet hard wearing. Available in a variety of designs to allow for fine-tune rig adjustment. Also available as de-raker kits with pressed calibration marks, fast pins and captive de-raker plates. Allowing maximum customisation even when you are on the water.