... 3.can be used for many times,sample is free aluminium for exhibitions:1.model: KS108, BIG HOLE UPRIGHT KZ425, 50mm ... , 950mm in length KJ4-3-A, straight tension lock KS140, adjustable tension lock2.size: 2480mm, per5000mm cut into request size3.use ... exhibition productskey products are tension lock for different aluminum profiles aluminium for exhibitions