Makita bits provide everything professionals and do-it-yourselfers alike demand: power, performance and longevity. Each bit is designed to last, offering plenty of uses for various tasks and applications. Makita D-00832 3/16" x 6-1/4", Usable Length: 4". Thruster SDS-Plus Bits. Thruster Style carbide tip penetrates on contact and plows through rebar. Thruster Style reinforced ground flute for efficient dust removal. Dynamic chisel shaped head keeps bit in contact with the material at all times.