NIKRO 862039 33' Solid Core Rotary Brush System W/Button Lock Brushes 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. Powered by your drill with clutch (set to engage if cable gets snagged) or one of our clutch driven drills or drive unit. Specifications 8", 12" and 18" Silica Carbide Brushes 4", 8", 12" and 18" Nylon Brushes 1 - replacement Inner Core 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 Related parts #860472 - 33' Replacement Inner Core #862040 - 33' Solid Core Cable w/Button Lock (No Brushes)