Keel roller - 10". Resilient, non-marring molded amber polyvinyl construction. Allows a boat to roll smoothly on a trailer. Spins freely to reduce drag when launching boats. Oil, gas, and saltwater resistant. Shaft size: 5/8". Weight: 4.2 lbs.

Self-centering roller. An innovative boat-centering trailer roller. Designed to automatically center your boat when loading. Resiliant polyvinyl construction. 5/8" shaft. Weight: 3.9 lbs.

Zinc-plated for corrosion resistance.
Perfect for keel rollers and bunk rollers.
Size: 1/2" X 12-3/4".
Fits 4" roller.

Bolster bracket.
Heavy-duty hot dipped galvanized steel.
Designed to support bolster or bunk boards.
Slotted for vertical adjustments.
Length: 10".

Galvanized steel. Two pieces. Will accommodate any size of roller length. May be vertically adjusted for stabilizing boat on trailer. Slot accept 7/16" or 1/2" bolts.

Roller shaft. Keeps your rollers lubricated. Perfect for keel rollers and bunk rollers. Zinc plated steel gives corrosion resistance. Includes pal nuts. Size: 1/2" X 6-1/4". Weight: .4 lbs.

Perfect for keel rollers and bunk rollers.
Zinc plated steel for corrosion resistance.
Size: 1/2".
Four per package.

Replacement roller shaft cap nuts - 4 per pack.
Perfect for keel rollers and bunk rollers.
Zinc plated steel for corrosion resistance.
Size: 5/8".

May be installed on aluminum boats, or inflatable boats with a hard transom.
Wheel-a-Weigh transom wheels are portable and removable.
Stainless steel frame and pivot bracket.
Inflatable 14-inch tires with roller bearings inside the hub.
330 lb. capacity.
Precision molded, non-corrosive wheel hubs.
Stainless steel installation hardware included.
Easy-to-follow instructions.

Sold in pairs. For any size roller length. Slot for vertical adjust to stabilize boat on trailer. Slots accept: 7/16" or 1/2" bolts. Use 1/2" or 5/8" roller shaft.

Boat Guides help visually guide your boat onto trailer. High strength gripper mounting brackets attach firmly above/below trailer frame. Easy bolt on mounting. Fits trailer frames up to 3" x 5" high. Adjusts to fit any hull design. Non-marring, marine grade PVC uprights. Upright height: 50

Diameter: 1/2". Four per package.

Diameter: 5/8". Four per package.

Used for mounting brackets to trailer frame.
Galvanized steel to help prevent rusting.
Rod width: 1/2", 13 threads per inch.
Between each leg: 3-1/16".
Leg length: 6-1/4".

Includes amber PVC keel roller, shaft roller and pal nuts. 6" width between slots 8-3/8" inch bracket width.

Poly vinyl keel pad. Absorbs shock, cut resistant. Will not mar your boat's surface. Dimensions: 15" X 3-1/2". PVC color: Amber.

Hog ring roller arm clamp. For EZ Loader trailer. Fastener is used in all applications of roller assemblies. Retains rollers to trailer roller arms. (Not used in keel or winch stand rollers.)

Designed to support bolster or bunk boards. Slotted for vertical adjustment. Features non-slip dimples to avoid movement. Packaged in pairs with bolts and nyloc nuts. Dimensions: 8" with 1-1/16" slots.

Designed to support bolster or bunk boards. Slotted for vertical adjustment. Features non-slip dimples to avoid movement. Packaged in pairs with bolts and nyloc nuts. Dimensions: 10" with 1-1/16" slots.

Designed to support bolster or bunk boards. Slotted for vertical adjustment. Features non-slip dimples to avoid movement. Packaged in pairs with bolts and nyloc nuts. Dimensions: 12" with 1-1/16" slots.

For any size roller length. Vertical adjustment slots accept 7/16" or 1/2" bolts. Use 1/2" or 5/8" roller shaft. Includes right and left brackets.

Use with adjustable bolster brackets. For proper angle for bunk or bolster boards. Includes 1/2" x 1" bolts and 1/2" nylock nuts. Two per package.

Roller shaft. Perfect for keel rollers and bunk rollers. Zinc plated steel gives corrosion resistance. Includes pal nuts. Size: 5/8" X 13-1/4". Weight: .8 lb.

Galvanized steel. Includes roller shaft and two pal nuts. Dimensions: 5/8" X 5-1/4".

Includes two pal nuts. Galvanized steel. Dimensions: 5/8" X 9-1/4".

13" rubber rollers. Mounts on top/beneath frame for added adjustment. Hot dipped galvanized steel. Adjust to 13" wide each side. Fits: frames up to 4" Sold in pairs.

Roller angle adjusts to angle of hull. Allows for 16" of adjustment (8" each side). Single piece adjusting clamp with U-bolts. Fits all channel and tube frames up to 5".

Guide-on posts, a visual aid for your trailer. For boat loading and backing up. White PVC construction with galvanized metal core. Strong, impact resistant, and highly visible. Mounting hardware included. Sold in pairs. Size: 60". 
NOTE: Due to the size of this product, shipping UPS or USPS may be cost prohibitive.  Please contact Seattle Marine at 1-800-426-2783 for shipping options.

Hot dip galvanized for corrosion protection. Fits frames up to 4-1/4" in size. Bunk boards mount 19" above trailer frames. Side movement: 13" on each side. Sold in pairs with all hardware included. Size: 5 ft. 
NOTE: Due to the size of this product, shipping UPS or USPS may be cost prohibitive.  Please contact Seattle Marine at 1-800-426-2783 for shipping options.

Heavy 11 gauge galvanized steel construction. Mount 2" bunks on edge. Slotted for integration with standard or deep-V hulls. Dimensions: 9-1/2", with 6" slot.

Heavy 11 gauge galvanized steel construction. Mount 2" bunks on edge. Slotted for integration with standard or deep-V hulls. Dimensions: 12-5/8", with 9-1/8" slot.

Zinc plated steel. Includes 2 pal nuts. Dimensions: 5/8" X 11-1/4".

Zinc-plated.
Designed to outlast any conventional shaft.
Zerk grease fitting on each end for easy lubrication.
For use with keel rollers, spool rollers, or bow rollers.
Includes E-clips.

Fits a 5" roller.

Size: 5/8" X 6-1/4".

Zinc-plated.
Designed to outlast any conventional shaft.
Zerk grease fitting on each end for easy lubrication.
For use with keel rollers, spool rollers, or bow rollers.
Includes E-clips.

Fits a 12" roller.

Size: 5/8" X 13-1/2".

Zinc-plated.
Designed to outlast any conventional shaft.
Zerk grease fitting on each end for easy lubrication.
For use with keel rollers, spool rollers, or bow rollers.
Includes E-clips.

Fits a 10" roller.

Size: 5/8" X 11-1/8".

Poly vinyl bow roller assembly. 4" long. 1/2" shaft. PVC color: Black.