Full Scenarios Covered:12 pieces in 6 sizes: 5/32"*2, 3/16"*2, 1/4"*4 (high-use), 5/16"*2, 3/8"*1, 1/2"*1. Fits home DIY, renovation & pro construction,no extra bits needed
Durable & Fast Drilling:Premium YG6X carbide tip resists wear/chipping on concrete/brick. Sharp edges boost contact, drilling faster than many regular bits
Impact-Resistant:40Cr steel shank (50HRC hardness) avoids bending/breaking in hammer mode. Hex shank fits most drills tightly—no slipping during heavy use
Deep & Precise Drilling:Total length 6”(152mm±1) + working length 4”(101mm±1) handles deep holes
Home/Pro Use:Ideal for concrete, brick, glass, ceramic, tile, cement. Perfect for DIY (hanging pictures) & professional construction, save time switching sets