Size Guide

Ball Sizes

Arm Sizes

The unique double ball and socket design allows you to adjust your mount to the perfect viewing or operating angle, all with the turn of a single knob. This modular design can be configured with a variety of interchangeable components to fit your specific mounting needs.

B Size

Holds 2 lbs / 0.91 KG

1" Ball

Phones, Action Cameras, Light Duty Tablets

C Size

Holds 4 lbs / 1.81 KG

1.5" Ball

Fishfinders, Heavy Duty Tablets

D Size

Holds 6 lbs / 2.72 KG

2.25" Ball

Monitors, Large Fishfinders

E Size

Holds 15 lbs / 6.8 KG

3.38" Ball

Heavy Monitors

Ball Sizes		Short Arm	Medium Arm	Long Arm
B Size	Overall Length	2.42" / 6.1468cm	3.73" / 9.47cm	6.00" / 15.24cm
B Size	Socket-to-Socket Length	1.75" / 4.45cm	3.00" / 7.62cm	5.31" / 13.49cm
C Size	Overall Length	3.56" / 9.04cm	5.69" / 14.45cm	9.13" / 23.19cm
C Size	Socket-to-Socket Length	2.50" / 6.35cm	4.66" / 11.84cm	8.00" / 20.32cm
D Size	Overall Length	5.10" / 12.95cm	8.44" / 21.44	12.98" / 32.97
D Size	Socket-to-Socket Length	3.60" / 9.14cm	6.88" / 17.48cm	11.41" / 28.98cm
E Size	Overall Length	7.31" / 18.57cm	12.63" / 32.08cm	N/A
E Size	Socket-to-Socket Length	4.98" / 12.65cm	9.88" / 25.10cm	N/A

 / Overview /

RAM® Fishfinder Diamond Plate Mount for Humminbird Devices

SKU Copied

SKU: RAM-B-107U-238

UPC Copied

UPC: 793442905124

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RAM® Fishfinder Diamond Plate Mount for Humminbird Devices

Copy SKU
RAM-B-107U-238 SKU: RAM-B-107U-238

Copy UPC
793442905124 | UPC: 793442905124

B SIZE

MEDIUM ARM

Size Guide

The RAM-B-107U-238 consists of a double socket arm, diamond base and connecting Humminbird/Apelco marine base. Designed into the mount is a 2.54cm (1") diameter patented rubber ball and socket system with adjustment points at both socket ends of the arm. The diamond base contains two holes 4.86cm (1.912") from center to center, positioned at both ends of the base. Rubber ball and socket technology allows for almost infinite adjustment and perfect viewing angles.