DMI 14" Core Bit + Slurry Ring BundleSAVE $25 PROFESSIONAL BUNDLE Get everything you need for clean, professional core drilling. This bundle includes: 1x DMI 14" Professional Grade Diamond Core Bit (Laser Welded, 14" working length) 1x DMI 10 13. 5" Slurry Ring Set WHY BUNDLE? Most pros pair their core bits with a matching slurry ring for cleaner cuts and easier cleanup. We've put them together and passed the savings to you. INDIVIDUAL PRICES: 14" Core Bit: $375 10 13. 5" Slurry Ring: