BK90x7/8" Light Duty Bored-To-Size Sheave 290mm Wide The back screw feature makes

The back screw feature makes it easier to remove the core bit from the application in case the bit gets jammed or the core is stuck in the barrel and to add extension barrels to expand the depth of drilling

and 5-120 psi regulator springs

The Pearl TC-1000™ blades are engineered with a triple chip design for added durability

for a nearly infinite number of ratio possibilities

BK90x7/8" Light Duty Bored-To-Size Sheave 290mm Wide The back screw feature makesBK sheaves are precision machined from gray cast iron, statically balanced, painted with baked enamel finish and are individually packaged. Sheaves are furnished with standard keyways & set screws. Click Here for Catalog Page