RAM Mount Large Tough-Claw Base w/Double Socket Arm & 1.5" Round Base Adapter [RAP-401-202U] Brand_Thetford Marine As a general rule for

As a general rule for boats with max speeds of 40MPH

With spline post

25" Nylon Washer

Garmin GPSMAP 441

UPC: 815711018080

RAM Mount Large Tough-Claw Base w/Double Socket Arm & 1.5" Round Base Adapter [RAP-401-202U] Brand_Thetford Marine As a general rule forRAM Mount Large Tough Claw Base w Double Socket Arm & 1. 5" Round Base A dapter The RAP 401 202U consists of the large Tough Claw base, double socket arm and round base adapter. The RAM Tough Claw: is the perfect mounting base for quick and easy tool less installation and removal on round, square, odd shaped rails and bars. The Tough Claw can be clamped on rails from 1" 2. 25" outer diameter. The round base adapter contains the industry standard