... locking Feature:Heat Material:UL-approved nylon 66,94V-2 color:natural(or white,standard color),black and other.. Description 1) Cable ... 6, the grade most often used for cable tie production, meets UL 94V-2 flammability ... work with. 2) Closely spaced positive-locking teeth allow fine adjustment to tie bundles ... for added strength and durability 4) Self-locking, one-piece, low-profile head conserves space5 ...