Essential 4-Piece Retractor Set: Includes two (2) 8-1/2" US Army/Navy Retractors and two (2) 6" Farabeuf Retractors, providing versatility for a wide range of procedures. US Army/Navy Retractors (8-1/2"): Classic double-ended design for moderate to deep retraction of skin, tissue, and muscle. Farabeuf Retractors (6"): Small, double-ended, L-shaped blades used for gentle, precise retraction of delicate or superficial tissues, commonly utilized in dental, oral, and minor procedures. Stainless Steel: Constructed from corrosion-resistant stainless steel for maximum durability, longevity, and reliable performance.