1/4" shank,Rust resistant zinc plated,
Overall: 3/4" D x 2-1/4" L.,Fits cut-off wheels with 3/8" arbor holes.
Rust resistant zinc plated steel
Allow for use of cut off wheels with a 5/16" - 3/8"
Top Screw Head is 3/4"
2- 3/16" Long
1/4" shank -For use with all drills