Diablo Snap-Lock Plus universal extension adds 18" of reach to your hole saw setup for cutting through deep walls, ceilings, and other hard-to-access areas. The tool-free quick-change mechanism snaps onto the matching Snap-Lock Plus mandrel without wrenches. Impact Strong hex shank holds stable in both drills and impact drivers.

• 18" extension length for deep reach through walls and ceilings
• 7/16" hex shank - pairs with the DHSAR500 Snap-Lock Plus mandrel (large-diameter hole saws)
• Tool-free quick-change - snaps on and off without wrenches
• Impact Strong shank for stability in drills and impact drivers
• 3,000 RPM maximum speed