Bosch HCFC2102 SDS-Plus Bulldog Xtreme Rotary Hammer Bit, 5/8" x 8-1/2" Bushing The called out size is

The called out size is the inner diameter of the washer

100 percent acrylic formula dries quickly

Batteries: uses three AAA batteries (sold separately)

Glows like a lantern

Specifically designed for various applications

Bosch HCFC2102 SDS-Plus Bulldog Xtreme Rotary Hammer Bit, 5/8" x 8-1/2" Bushing The called out size isHighlights: Diameter x Overall Length: 5 8" x 8 1 2" Extreme rotary Optimized for heavy duty rotary hammers Less carbide wear than two cutters means end user is more productive with each bit No jamming when hitting rebar Diffusion bonding technology provides stronger carbide bond for the longest lasting bit Wear marks assures hole diameter tolerance for anchoring applications Centric conical tip results in precise hole diameters