they meet or exceed ANSI specifications

100% battery power = no gas

steel plug and 6-Ball brass coupler

This blade is flat

ATAF (Alternate Top Alternate Face) Extra sharp cutting tips reduce load on saw

United Abrasives - Sait SL Double Cut Carbide Burs SDKC2SS100 they meet or exceed ANSIUse for deburring, finishing, shaping and enlarging holes, removing welds, and smoothing castings. Standard Equipment: (1) Type SL Carbide Bur Specifications: Type: SL Shank Diameter: 1 4" Features: Tungsten carbide construction for long life and durability High quality manufacturing method delivers vibration free operation Precision ground with diamond wheels to produce a very sharp uniform cutting edge Double cut or alternate cut is the most popular