Properties of TULT DS heat shrink markers: 3:1 shrink ratio Markers available in 50 mm, 25 mm, and 16 mm lengths as standard, other lengths available on request Available in white and yellow Meet printing requirements according to MIL-STD 202G method 215 when using TTDTHOUT color ribbon Meet UL224 VW-1 and CSA requirements Meet LUL C3349 requirements High mechanical strength and resistance to organic solvents and other chemicals High elasticity Delivered in convenient packaging Easy label design with Tagprint Pro Application: TULT DS are ladder-style heat shrink markers with a 3:1 shrink ratio, recommended for use wherever UL or CSA approval is required or for markers with a high degree of shrinkage. For durable markers, it is recommended to print using HellermannTyton's premium series thermal transfer printers and color ribbons. Printers: TrakMark DS, TT4000+, and TT430 Color ribbons: TTDTHOUT Accessories for TrakMark DS and TT4000+: Perforator (P4000), Cutting blade (S4000) Accessories for TT430: Cutting blade (S430) Software: Tagprint Pro