Ball bearing swivel bases feature dual rows of Delrin® ball bearings that swivel freely even under high loads. Bases include stand-up springs and a U-adaptor to accept a variety of appropriate blocks.
Delrin® is a registered trademark of E. I. du Pont de Nemours and Company or its affiliates.
Height (mm)111 mm
Weight (g)362 g
Minimum line Ø (mm)8 mm
Maximum line Ø (mm)10 mm
Fastener spacing (mm)19 mm
Fasteners (mm)5 FH mm
Use with 57 mm / 2.25" double ratchets
Harken Part No. 402
