4pack red color drill brush kit, 

Drill Brush Kit:

• 3 shape of brushes clean your bathtub, grout, upholstery, bathroom surface, floor, tile, shower, toilet and carpet etc, Nylon bristles will not scratch surfaces of them.
• Extended reach attachment help brush to clean the tight spaces or hard-to-reach areas such like stove grates, drip pans, crevices, car etc
• Extended reach attachment have the slip joint and magnet, it can lock the brushes tightly and make precise control.
• Brushes and Extended reach attachment fit into most of the cordless drills

Q: I am looking to clean the grout on my kitchen floors. Will the small red brush do that? Is it stiff enough?

A: Yes. The brush is 100 percentage polypropylene, stiff enough.

Q: Do the attachments work with any drill?

A: Yes, as long as your ‘drill’ can be adjusted for width of the bit. They work with any drill that takes a standard bit. 

Q: What are the sizes (diameter) of the two round brushes?

A: The small one is just under 2 inches & the larger one is slightly under 4 inches. The smaller one was perfect for bathroom sink and stove burners.The larger one for bathtub.

Q: Can one of the brushes be used on a fiberglass shower stall without scratching and dulling the surface?

A: No. We tested the green brush on a section of the back bottom wall first and proceeded from that point without any problems keeping the shower walls wet while using the brush.

Q: Which pack would be best to buy for removing hard water deposits in a pool ?

A: It all depends on the material of your pool.If its plastic it’s best to use the blue or white brush.For a concrete pool I would say the black.For chrome and sensitive walls and items use only the white brush And for cabinets and kitchen stoves use the green.

Q: Does this work good on car rims without scratching them?

A: Yes, It can also used on fiberglass shower stall, it did Awesome and NO Scratches!! The small round brush worked best on wheels.