Nikro 862039 33 Ft Solid Core Rotary Brush System with Button Lock Brushes Nikro 862039 is a 33 foot Solid Core design for rigidity prevents the cable from curling back toward the operator. Features New snap on design - No need for tools Can be run in forward or reverse without the possibility of spinning off a brush Button locking stainless steel design for durability and lasting performance Solid Core design for rigidity prevents the cable from curling back toward the operator and allows for greater control of the brush head These systems have a replacement inner rotary core that can be replaced/repaired in the field, providing longer life of the system and preventing down time Includes: 8", 12" and 18" Silica Carbide Brushes 4", 8", 12" and 18" Nylon Brushes 1 - replacement Inner Core Powered by your drill with clutch or one of our clutch driven drills or drive unit.