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