Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave [504-11] Automotive/RV | CB Radios 4" x 20 studs but

4" x 20 studs but with a smaller threaded stud inserted into the base

Adjustable Sweep 45°

52-channel GPS w/standard internal antenna (optional external antenna)

Use up to eight repeaters with a single wireless station

Schaefer Series 5 Flat Base/Alum Cheek/Delrin Sheave [504-11] Automotive/RV | CB Radios 4" x 20 studs butSeries 5 Flat Base Alum Cheek Delrin Sheave Delrin sheave ensures smooth operation and high safe working load. Stainless steel base distributes loads to a large surface area. Specifications: Sheave Diameter 2" (51 mm) Max. Line 7 16" (11 mm) Length 3 5 8" (92 mm) Width 2 7 32" (57 mm) Height 7 8" (22 mm) Fasteners (4) #10 RH (5 mm) C C 3" (76 mm) SWL 1750 lbs. (795 kg) Weight 5. 9 oz. (167g) Max. Line 7 16" (11mm)