Check the listing for details. SDS MAX hammer drill dry core bit set 2'', 2.5'', 3'' with adapter. Condition: New. Listed at 158.00 USD. 2", 2.5" and 3" PROFESSIONAL LASER WELDED TURBO SEGMENTED DRY CORE BITS WITH SDS MAX ADAPTER. THIS CORE BIT IS MANUFACTURED FOR DRILLING MASONRY, HARD STONES, CURED & REINFORCED CONCRETE WITH MEDIUM TO HARD AGGREGATES & MEDIUM STEEL REINFORCING. THE 12MM LASER WELDED TURBO SEGMENTS HAVE THE HIGHEST DIAMOND PARTICLES PER SEGMENT IN THE INDUSTRY. THE NOTCH GROOVE IN SEGMENTS ARE DESIGNED IN AIDING WITH STEEL AGGREGATES IN CONCRETE... CENTER GUIDE NOW AVAILABLE FOR THIS ITEM.PLEASE SEE ITEM # 291835578281 OUTER DIAMETER: 2", 2.5" and 3" SEGMENT HEIGHT: 3/8" (12mm) SEGMENT MOLD: GROOVED TURBO SEGMENT STYLE MATRIX HARDNESS: SOFT BOND FOR HARD MATERIALS, BRICK, CONCRETE WITH STEEL REINFORCING AND HARD STONES CORE TRAVEL: 10” THREAD SIZE: 5/8" - 11 BOND TO CORE: INNER/OUTER DOUBLE LASER WELD Includes Core Bit Adapters 5/8"-11 Threaded Male to SDS MAX Male Quality adapter is made from heavy steel Easily convert 5/8”-11 female arbor to SDS MAX male Perfect accessory for your SDS MAX hammer drill