Tempered Glass - No. 203 LargeNo.202 Regular Wall Thickness - Large DiameterSize : ID.22 x OD 25 x L 69 mm.Choose Dunlop tempered glass slides for a bright tone with a beautifully detailed high end. Processed from high quality boron silicate, heat treated and annealed to produce a flawless tube, this is our most popular slide available.
