Our technical parametres for parallel gauge as follows:
1.Material:40Cr,spring  steel
2.parallelism:0.005mm
3.hardness:HRC54°-59°
4.Length:150/125mm
5.Net.W:18.00kgs/14.50kgs,Gross.W:18.50/15.00kgs
6.in packing:24pairs=48pcs
7.Every piece will be stamped concrete  size
8:Concrete  size(L*W*H) that  is  allogated  as  follows:
48pcs(24pairs) 150*8*11(16  21  26  31  36)
                         150*10*13(18  23  28  33 38)
                         150*12*15(20 25 30 35 40)
                         150*14*17(22 27 32 37 42)
  48pcs(24pairs)125*8*11(16  21  26  31  36)
                          125*10*13(18  23  28  33 38)
                          125*12*15(20 25 30 35 40)
                          125*14*17(22 27 32 37 42)