Schaefer Block, Single Alum. J/70 Marelon is both electrically and

Marelon is both electrically and chemically inactive - making for easy installation

Our fast cutting

Reduces all emissions

000 Ampere Interrupt Capacity (AIC) satisfies ABYC requirements for main DC circuit protection on large battery banks

Superior flow and durability

Schaefer Block, Single Alum. J/70 Marelon is both electrically andSingle block with aluminum cheeks. Delrin(tm) sheave ensures smooth operation and a high safe working load. Swivel head may be locked in place to eliminate twisting. 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 7. 4oz (210g), Max Line size 1 2" (13mm)