• Eliminates fatigue and soreness of hands and fingers caused by the repetitive task of applying test tube caps
• Fits comforably in the palm of your hand
• Use tip to apply pressure and securely cap test tubes
• Test tubes may be capped while being held onto while in a rack
• Designed for use with recessed center caps, fitting glass or plastic test tubes
• Polypropylene with vinyl covered handhold
• Overall dimensions: 4.4cm diam. x 8.9cm H (1 3/4 x 3 1/2”)