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Midrange, Cruising ESP Base

Part No. 1634

Maximum working load (kg) 1588 kg

Maximum working load (lb) 3500 lb

Height (mm) 49 mm

Height (in) 1 15/16 in

Stand-up bases allow a wide variety of blocks to be held upright, swivel freely, or pivot so lines have a fairlead under load. Use the 1634 stand-up base with Midrange blocks and 57 mm or 75 mm Cruising ESP blocks. Block headpost fits into socket without shackle.
Height (in)1 15/16 in
Weight (g)255 g
Weight (oz)9 oz
Fasteners (mm)6 RH mm
Fasteners (in)1/4 RH in
Maximum working load (kg)1588 kg
Maximum working load (lb)3500 lb
Breaking load (kg)3175 kg
Breaking load (lb)7000 lb
Base Ø (mm)73 mm
Base Ø (in)2 7/8 in
Height (mm)49 mm
Pin Ø (mm)8 mm
Pin Ø (in)5/16 in
Inside socket Ø (in) 9/16 in
Inside socket Ø (mm)15 mm
Use with blocksMidrange/Cruising ESP