Colinktool Adjustable Boat Trailer Guide-On Poles, Telescoping 28–40.7" Height with Low-Friction Rollers

Colinktool Adjustable Boat Trailer Guide-On poles are bolt-on guide posts with rollers that pivot and extend so you can center, protect and smoothly load your boat onto a trailer.

These guide-ons combine a telescoping post, angled mount and low-friction rollers to make launching, retrieving and slinging your boat easier and safer. Built from durable materials and designed for straightforward bolt-on installation, they reduce hull-to-frame contact and help you align the boat in wind or current. The system offers multi-axis adjustment so you can set height, angle and spacing to suit different hull shapes and trailer frames.

How do these guide poles improve trailer loading and unloading?

The rollers and guide post keep the boat centered as you approach the trailer, preventing sideswipe damage and guiding the bow into the bunks or rollers. Adjustable height and angle let you optimize contact points for different boat types, reducing manual corrections and scraping.

• Low-friction rollers ease forward motion during retrieval
• Guides maintain alignment in wind or current
• Adjustable settings minimize hull contact and scratches
• Visible guide posts help judge launch depth quickly

What adjustments can I make to fit my trailer and boat?

The Colinktool poles allow three main adjustments: angle from 70° to 90°, height from 28" to 40.7", and a fixed width spacing of 12.8" per side once installed. Those ranges accommodate many sailboats, ski boats and fishing boats and let you dial in the optimal guide geometry for your trailer frame and hull profile.

• Angle: 70°–90° to change contact direction
• Height: telescopes 28"–40.7" for different hulls
• Width: 12.8" offset per side after mounting
• Bolt-on installation adapts to top or bottom frame mounting

How durable and compatible are these guide-ons?

Constructed from durable components, the guide posts and rollers are made to withstand repeated contact and environmental exposure common to boat trailers. They fit a wide variety of trailer types — from marine trailers to ski and fishing boat trailers — and are intended for bolt-on installation using the included hardware.

• Robust materials resist wear from docking and trailering
• Rollers reduce friction and prolong hull and trailer life
• Works with many trailer frames when mounted properly
• Includes one pair of guide-ons and bolts for installation

What should I know about installation and maintenance?

Installation is straightforward: mount the brackets on the top or underside of the trailer frame and tighten the supplied bolts. While a typical DIYer can install them, professional installation is recommended when cutting, welding or custom fitting is required. Regularly inspect fasteners and roller bearings for wear and re-torque hardware after initial outings.

• Bolt-on fit: simple mounting on frame top or bottom
• Re-torque bolts after first few uses to ensure security
• Check rollers and bearings periodically for free rotation
• Replace worn pads or hardware to maintain protection

Who is this for: Colinktool Adjustable Boat Trailer Guide-On poles are aimed at boat owners and trailer operators who want a smarter, gentler way to load and secure boats — especially those who launch frequently, trailer in windy conditions, or own boats prone to side impact during retrieval. They suit owners of sailboats, ski boats, fishing boats and general marine trailers looking for adjustable, durable guide-ons that simplify launching and protect hulls during transport.