straight stair balustrade 1.Size:1100*90*90mm,1100*113*113mm,1100*70*70mm,1100*53*53mm 2.stair tread size: 900*250*30mm,800*250*30mm 3.number of step:13+1,14*1,15+1,16+1 4.number of baluster:26,28,30,32 5.the riser of step:200mm 6.Thickness:(+- ) 10% of wall thickness 7.number of supper:2,3. 8.delivery time:30days after payment 9.Model:HGLT-200 10.number of newl:4 11.heavry of the stair:300KGS,heavry of one baluster:2KGS Below please find some of essential information for your reference 1.solid wood stair:rubber wood stair,you can choose red oak,beech wood ect 2.Applicable Scope:Construction company ,office building ,personal villa,ect. 3.Riser Adjustment: Its possible to adjust the riser of each step betwween 200-228mm without having to cut or adjust baluster 4.This stair can be made by customers drawings or ours 5.Specification:Based on customer's requirements Please dont worry about our products quality and about delivery , we always delivery in time, purchase step 1.Design:we supply CAD drawing for reference according to size you provide 2.Negotitation: the quality ,price, material,delivery time,payment,terms and so on 3.Production:according customers confirmed drawing with detail dimensions 4.Delivery time: by sea , according to customers request Ningbo anjia stairs Co.,Ltd is in the line of designing and producing various staircase,wood stairl,coloumns,stair parts and so on.Our products are famour for the reasonable structure and fashionable stzle,with the stronge design team and production team,there is a clear advantage in the dusturz.Our companz adhering to the"quality promote sales,service achievement brand". "you will get what you orderd,and you will get what you wanted",that is our commitment to our customer