Schaefer Block, Series 7 Single SS Inflatable PFDs Protect your vessel from leaks

Protect your vessel from leaks with the Bomar S517 Portlight Gasket

Heat Discoloration: Apply moderate coat of Flitz

NOT Safe for aluminum outdrives

in-line and parallel rings hinged at the base

marine-grade wire enables use with pumps drawing up to 20amps

Schaefer Block, Series 7 Single SS Inflatable PFDs Protect your vessel from leaks7 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)