The 100 feet steel long tape features a blade release button and a 5 to 1 gear ratio for fast blade rewinds for efficiency. The long tapes stainless steel crank arm provides durability for demanding job sites. A spring loaded carabiner attachment offers great portability. Tape reelBlade release button for easy blade pull outSpring loaded carabiner attachment for easy transportationRust-resistant coating prolongs blade lifeDirt removal window to empty dust particles inside toolClosed case100 ft.