Shim, 20 x 370 x 58 mm, for Mast Jack System D80/400 BBB40 90° or swivelling shaft and

90° or swivelling shaft and a becket with detachable pin for a spliced eye

The block can be attached with a line or with a shackle

Optional adaptor plates with threaded and anodised holes for the Seldén S-winch are available

to be combined with ø4 mm wire applications

Seldén supplies complete lazyjack kits with all the necessary blocks

Shim, 20 x 370 x 58 mm, for Mast Jack System D80/400 BBB40 90° or swivelling shaft and20 mm thick aluminium mast jack shim. Pump up the mast, place shims below T base and mast heel and release pressure. Read all about Seldns mast jack systems on our website. https: support. seldenmast. com files 1723731359 597 107 E. pdf