Comparison : Item # DSP11-401, Glue Dots - Dot Shot® Pro
Item # DSP21-401, Glue Dots - Dot Shot® Pro
Item # DSP31-401, Glue Dots - Dot Shot® Pro
Item # DSP41-401, Glue Dots - Dot Shot® Pro
Item # DSP22-406, Glue Dots - Dot Shot® Pro