BEST COMBINATION 4 PCS Best Combination Knife Set includes 1/2" putty knife, 3" spreader, 4'' and 6" taping knife. Most useful set for wall fixing.STAINLESS STEEL The blades are made of quality stainless steel, durable, flexible and high hardness, will not crack at all, have a long service life.THINNER GROUND BLADE The knife edge is 0.45mm, more flexible and provide a more usable experience.QUALITY HANDLE The putty knife handles are made of high quality durable PP+TPR.GREAT VALUE LOW COST SET 4 PCSPACKAGE INCLUDED1 × 1-1/2" Rigid Putty Knife1 × 3" Heavy Duty Steel Wall Scraper1 × 4" Flexible Drywall Taping Knife 1×6 inch ribbonHigh hardness stainless steel, will not crack at all, long service life.