Schaefer Block, Series 7 Single SS Inflatable PFDs in-line and parallel rings hinged

in-line and parallel rings hinged at the base

Protect your vessel from leaks with the Bomar S517 Portlight Gasket

Length 3" (76 mm)

* Made of extremely flexible UV Resistant vinyl

Will absorb 14 times its own weight of water from the air

Schaefer Block, Series 7 Single SS Inflatable PFDs in-line and parallel rings hinged7 series single block with Stainless Steel cheeks. Delrin(tm) sheave ensures low friction and high safe working load. Swivel head may be locked in place to eliminate line twist. Sheave Dia. 2 3 8" (60mm), Thickness 1 3 32" (28mm), Width 2 1 2" (64mm), Length 5 1 32" (128mm), SWL 2250 lbs. (1020kg), Weight 10. 2oz (289g), Max Line 1 2" (13mm)