sit-up board: 1.material:Material:Q195 steel tube & artificial leather 2. ... ,1.18m,1.05m 3.OEM service High quality sit up bench1)Functions: sit-up, nutate-up2)Height-adjustable base for varying obligue exercise3 ... after receving your deposits if you have interest in our sit-up board,please let me know,and we are looking forward ...