Provides Retractable Safety Technology For Capillary Blood Sampling. Automatic Retraction Reduces Needlestick Injuries And Cross-Contamination Exposure While Providing A Quick, Gentle Puncture. The Needle Is Shielded Before And After Use. Built-In Needle Depth Control Provides For Consistent And Accurate Sampling Results. Six Different Flow Models Provide Flexibility For Sampling Applications. Proprietary Spring Action Provides Quick, Gently Puncture.