Detailed Product Description Carbide Tip for SDS Plus / Max /Hex Hammer Drill Bit and Core Bit, Features:1) We can produce YG8C, YG11, YG4C and YG62) Various sizes and shapes availablePacking:Paper caseIt's called Carbide Tip for SDS Plus / Max / Hex Hammer Drill Bit and Core Bit,tct tip,tungsten carbide tip,carbide tip.