... Dia. 25-180mm (1"-7")Working Length: 107-550mmConnecting Rod For Hammer Core Drill bit(SDS Plus Shank, SDS Max, Long Hex, Square ... 11#100210-12#105210-12#110212115213120213125213130213135213 Type of Connecting Rod For Hammer Core Hole Saw SIZEMM22*16022*20022*25022*30022*35022* ... 8pcs Carbide Tipped Hole -making Drill in Wooden BoxSizes:16,20,22,25,28,30,32,35mm CARBIDE TIPPED CORE DRILL BIT