RAM® Torque™ Large Rail Base - B Size RAM-202-G4 The RAM-224-3U is designed to

The RAM-224-3U is designed to have an extra strong hold on any smooth non-porous surface

and one 1" x 2

5" diameter patented rubber ball and socket system that has adjustment points at both ends of the double socket arm

this adapter joins to base plates with the screws provided and turns the flat base into a rail base

The RAM-304B-HP is a 1/2" NPT post with a drill-down base for horizontal surfaces

RAM® Torque™ Large Rail Base - B Size RAM-202-G4 The RAM-224-3U is designed toThe large version of the RAM Torque handlebar mounting base features a 1" B size RAM rubber ball and is compatible with rails 1 1 8 to 1 1 2" in diameter. Sizing inserts are included to provide a tight fit while also protecting the mounting surface. The large RAM Torque mounting base also includes nylon insert lock nuts to prevent loosening in high vibration environments.