RAM® High-Strength Composite Drill-Down Mount for Garmin eMap
Part#: RAP-B-138-GA4U
UPC: 793442838071
Ball Icon B Size
Arm Icon Medium Arm
$36.49

hardware included:

Assembly Hardware

socket to socket length:

3"

hole pattern:

4-Hole AMPS: 1.181" x 1.496"

plate size:

2.5" Diameter

ball size:

B Size (1")

weight capacity:

Standard Use: 2 lbs
Heavy-Duty Use: 1 lb

materials:

High strength composite

packaging type:

Poly Bag

Weight:

0.68 lb

Print

Add-on & Accessories

Locking Knobs for B Size Socket Arms
See All
RAM® Pin-Lock™ Security Knob for B Size Socket Arms RAP-S-KNOB3U $9.49
RAM® Pin-Lock™ Security Knob with 7-Pin Pattern for B Size Socket Arms RAP-S-KNOB3-7U $8.99
RAM® Key Lock Knob with Steel Insert for B Size Socket Arms RAM-KNOB3LSU $28.49
RAM® Pin-Lock™ Security Knob with 5-Pin Pattern for B Size Socket Arms RAP-S-KNOB3-5U $8.99
RAM® Key Lock Knob with Brass Insert for B Size Socket Arms RAM-KNOB3LU $39.49
RAM® Pin-Lock™ Security Knob with 6-Pin Pattern for B Size Socket Arms RAP-S-KNOB3-6U $8.99
RAM® Pin-Lock™ Security Knob with 4-Pin Pattern for B Size Socket Arms RAP-S-KNOB3-4U $8.99
Previous Slide Next Slide
Accessories for AMPS Pattern Base Components
See All
RAM® Backing Plate Adapter RAM-202-225B-2U $12.49
RAM® Roto-View™ Adapter Plate RAM-HOL-ROTO1U $25.49
RAM® Cable Manager with AMPS Hole Pattern for Electronic Mounts RAP-403U $15.49
RAM® Trolling Motor Stabilizer - Tough-Claw™ .625" - 1.14" Medium Arm RAP-400-202U $87.49
RAM® Trolling Motor Stabilizer - Tough-Claw™ 1” - 1.6” Medium Arm RAP-404-202U $95.49
RAM® Trolling Motor Stabilizer - Tough-Claw™ .625" - 1.14" Long Arm RAP-400-D-202U $111.49
RAM® Spacer Plate Accessory for Flush Mounting RAP-403FU $7.49
RAM® Adapt-To-RAM™ Hole Pattern Plate Adapter RAP-356U $22.99
RAM® Mari-Nut™ Rubber Expansion Mounting Hardware RAM-MARI-NUT-4U $8.49
GDS® Tough-Dock™ Body for iPad Pro 12.9 3rd - 6th Gen, Pro 13 & Air 13 RAM-GDS-DOCKB-AP37U $77.49
GDS® Tough-Dock™ Body for Samsung Tab S10+, S9+, S8+ & More RAM-GDS-DOCKB-SAM78U $49.49
GDS® Tough-Dock™ Body for Samsung Tab A9 & A7 Lite 8.7” RAM-GDS-DOCKB-SAM80U $42.99
GDS® Tough-Dock™ Body for Apple iPad 10th Gen, Pro 11 & Air 11 RAM-GDS-DOCKB-AP32U $49.49
RAM® Triple Ball and Socket Magnetic Base with AMPS Hole Pattern RAP-365B-1-339U $132.49
RAM® Mari-Rivet™ Aluminum Pop Rivets RAM-MARI-RIVET-4U $4.99
GDS® Tough-Dock™ Body for Samsung Tab Active Pro RAM-GDS-DOCKB-SAM54NU $70.99
GDS® Tough-Dock™ Body for Samsung Tab A9+ RAM-GDS-DOCKB-SAM88U $59.49
GDS® Tough-Dock™ Body for Samsung Tab A 10.5 SM-T590 & T-597 RAM-GDS-DOCKB-SAM66U $51.49
GDS® Tough-Dock™ Body for Samsung Tab A 8.4 SM-T307 RAM-GDS-DOCKB-SAM67U $39.99
GDS® Tough-Dock™ Body for Samsung Tab S7 11" & Tab S9 FE RAM-GDS-DOCKB-SAM76U $44.49
RAM® 100mm & 75mm VESA to AMPS Hole Pattern Adapter Plate RAP-DOCK-D10VU $15.49
RAM® Rotating Ball Adapter for Phone and Handheld Holders - B Size RAP-B-351-4RU $22.49
RAM® Large Side Accessory Bracket for Vehicle Docks RAP-DOCK-SBLU $16.49
GDS® Tough-Dock™ Body for Samsung Tab A 8.0 (2019) SM-T290 & T-295 RAM-GDS-DOCKB-SAM55U $38.49
GDS® Tough-Dock™ Body for Samsung Tab A 10.1 SM-T510 RAM-GDS-DOCKB-SAM65U $45.99
GDS® Tough-Dock™ Body for Samsung Tab A7 10.4 RAM-GDS-DOCKB-SAM75U $52.99
GDS® Tough-Dock™ Body for Samsung Tab Active3 and Tab Active2 RAM-GDS-DOCKB-SAM62U $48.49
GDS® Tough-Dock™ Body for Samsung Tab A8 10.5 SM-X200 RAM-GDS-DOCKB-SAM83U $43.49
GDS® Tough-Dock™ Body for Tab Active3 with NFC Extender RAM-GDS-DOCKB-SAM62-NFCU $172.49
GDS® Tough-Dock™ Body for Samsung Tab A 8.0 (2018) SM-T387 RAM-GDS-DOCKB-SAM63U $36.49
RAM® NFC Extender with Dashboard Mount RAM-B-101-225B-NFCU $123.49
Previous Slide Next Slide
Diamond Plate Accessories
See All
RAM® Vibe-Safe™ with NPT Adapter for 2-Hole Holders RAP-462NPT $43.99
RAM® Roto-View™ Adapter Plate RAM-HOL-ROTO1U $25.49
RAM® EZY-Mount™ Quick Release Adapter Kit RAP-326U $10.49
RAM® EZY-Mount™ Quick Release Female Adapter RAP-326FU $8.49
RAM® Tough-Mag™ 88MM Diameter Magnetic Adapter with 2-Hole AMPS Pattern RAM-MAG88DU $60.99
RAM® Screen Magnifier for Handheld Devices RAM-MAG-1U $43.99
RAM® Rotating Ball Adapter for Phone and Handheld Holders - B Size RAP-B-351-4RU $22.49
Previous Slide Next Slide