Schaefer 7 Series Double Ball Bearing Sheave Over the Top Block Ronstan 22mm Spinnaker Pole End Strength was optimized by computer

Strength was optimized by computer and then verified by numerous destructive tests

the etrier will not collapse when stepped on because the steps hang from a center strap

Rod: 7075 Zinc Aluminum

Compact stanchion lead system

It is one of the cheapest soft blocks on the market

Schaefer 7 Series Double Ball Bearing Sheave Over the Top Block Ronstan 22mm Spinnaker Pole End Strength was optimized by computerProduct Description Schaefer 7 Series Double Ball Bearing Sheave Over the Top Block 7 Series Double Over the Top Block. Stainless Steel cage and base provide a solid platform for clean leads. Delrin(tm) ball bearing sheaves ensure low friction and high safe working loads. Specifications Sheave Dia.: 2 3 8 in. (60 mm) Max Line Dia.: 1 2 in. (13 mm) Length: 3 3 8 in. (86 mm) Width: 3 5 32 in. (80 mm) Overall Height: 3 7 16 in. (87 mm) Sheave Height: 2 5