I need the size of this item, width and hieght?

its 7inch by 7 inch not sure on hieght maybe 1 inch

What is the bolt hole spacing.

It measures 6 3/8" square, long gated holes are 5/16" wide X 3/4" long, cut on a 45 degree angle. There fore it will take a 1/4" bolt, from 5" to 51/2" C to C.

What is the noise level if any when turning.

I bought 4 of these seats to replace the seats in my lund alaskan. I like and would buy again. They make no noise when turning.

ICan you recomend a sturdy swivel to acommadate a 40" wide seat

my fishing buddy weighs 240 pounds, we have used the swivel with no problem, it is a 6 1/4 inch mounting requirement which may be different than your wide seat. Better check the seat mounting instructions closely.

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Attwood 17720 Boat Seat Swivel, 6-1/4 in., 0° Tilt, Steel, Black

Product ID: 1298414

Details

Brand
attwood
Color
Black
Material
Steel
Orientation
Drivers Side
Vehicle Service Type
Boat

⚓marine-grade rust resistance

🔄360° ball-bearing rotation

🛠️universal 5-1/4" mount pattern

$60.82

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Description

⚓ Spin into comfort and control—your boat seat’s new best friend!

ZERO TILT STABILITY - Flat 0-degree tilt angle guarantees a secure, level seating posture for all-day comfort.
EFFORTLESS 360 SWIVEL - Premium ball bearings deliver smooth, full-circle rotation for ultimate maneuverability on the water.
CONTROLLED SWIVEL ACTION - Weight-activated rotation prevents unwanted spinning, keeping you steady and in control.
BUILT TO BRAVE THE ELEMENTS - Powder-coated steel construction ensures maximum corrosion resistance in harsh marine environments.
UNIVERSAL FIT INSTANT UPGRADE - Standard 5-1/4" hole layout fits most marine pedestals—easy installation, no hassle.

The Attwood 17720 Seat Swivel offers a durable, corrosion-resistant steel mount with premium ball bearings for smooth 360° rotation. Designed with a universal 5-1/4" hole pattern and zero-tilt stability, it ensures secure, comfortable seating and controlled swivel action to prevent free spinning. Trusted by marine enthusiasts for over 100 years, this swivel is a reliable upgrade for any boat seat.

Specifications

ASIN	B001O0D6SI
Auto Part Orientation	Drivers Side
Automotive Fit Type	Universal Fit
Best Sellers Rank	#28,067 in Sports & Outdoors ( See Top 100 in Sports & Outdoors ) #8 in Boat Cabin Seating Accessories
Brand Name	attwood
Color	Black
Compatible with Vehicle Type	Boat
Customer Reviews	4.6 4.6 out of 5 stars (5,882)
Fit Type	Universal Fit
Global Trade Identification Number	00014599177203
Included Components	End Product & Information
Item Highlight	360° ball-bearing rotation; 5-1/4 in. universal mount pattern; controlled swivel requires weight or pressure
Item Type Name	boat-seating-accessories
Item Weight	0.27 g
Manufacturer	Attwood
Manufacturer Part Number	17720
Manufacturer Warranty Description	Please contact us if you experience any issues within 30 days of receipt.
Material Type	Steel
Model Number	17720
Number of Items	1
OEM Equivalent Part Number	00014599177203
Seat Depth	6.25 inches
UPC	014599177203
Unit Count	1 Count

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$60.82

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

Neha S.

Excellent communication throughout the order process. Product is perfect.

2 weeks ago

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The MOLLE sheath is of exceptional quality. Very happy with my purchase.

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