Type 1 double reinforced shellac cut-off wheel - a super HI performance cutting wheel - SB (Super Bond). SPEDECUT introduces the "Super SB" Series, Type 1 cut-off wheel. Superior durability with super long life when flexibility, rigidity and toughness is a must. Double reinforced Super Bond Series allows the maximum performance from your hand held power tools and chop saw machines. This new series is available in diameters from 3" through 8" and 10" and thickness from .040" through 332". Combined with seven distinct elements and heavy reinforcement, the "SB" Series is available in fine or medium grades. The variety of our "SB" product line has made SPEDECUT the preferred cut-of wheel in the aerospace, shipbuilding, powerplants construction, foundries, welding, fabricating, tool and die making industries.