Kinsman Pencilweight Type_Spirometer Accessories MPN Compatibility Color #SN010 BD TERM For Brand_A T Surgical Mfg Co Inc MPN Compatibility Color #SN010 BD TERM For 10cc BD Terumo Syringes Gold #SN010+012 MONO For 10cc and 12cc Monoject Syringes Gold #SN020 BD For 20cc BD Syringe Red #SN020 MONO For 20cc Monoject Syringe Gold #SN030 BD For 30cc BD Syringe Blue #SN035MONO 30BD For 35cc Monoject Syringe and 30cc BD Syringe Purple #SN060 MONO BD For 60cc Monoject BD Syringes Blue #SN060 TERM For 60cc Terumo Syringe Blue Operating Relative Humidity: 30 75% It can be used with most writing instruments or coloring tools and can be used alone or in conjunction with most of the commercially available pencil grippers Helpful for individuals who experience decreased coordination or need additional proprioceptive input during writing tasks