Sea-Dog Rail Base Fitting Rectangular Base 30 316 Stainless Steel 1-7/8" x 3-3/16" - 1" OD [281300-1] Automotive/RV | CB Radios Mast Stat Opening: 3 1/4"x

Mast Stat Opening: 3 1/4"x 1" (83 mm x 25 mm)

Rides on low-friction Teflon® bearings

Thread: 3/4" - 10

Thickness -

Sea-Dog Rail Base Fitting Rectangular Base 30 316 Stainless Steel 1-7/8" x 3-3/16" - 1" OD [281300-1] Automotive/RV | CB Radios Mast Stat Opening: 3 1/4"xRail Base Fitting Rectangular Base 30 316 Stainless Steel 1 7 8" x 3 3 16" 1" OD These Rectangular Rail Base Fittings include set screws where appropriate. Set screws can be purchased separately (299999 1). Requires 1 8" Allen wrench to install. Constructed of corrosion resistant investment cast 316 stainless steel. Installs with four FH fasteners (not included). *Stainless tubing with a wall thickness of 0. 049 WARNING: This product can expose you to