The 4" Clay Spade with SDS Max Shank is a high-performance tool specifically engineered for trenching and digging in tough clay soil. Its fully hardened steel construction ensures exceptional durability, making it perfect for demanding excavation tasks. Compatible with SDS Max rotary hammers, this heavy-duty spade is ideal for landscapers, contractors, and anyone in need of a reliable tool for digging, trenching, and clay removal.