.Specifications:

Material: Steel+foram

Color: black

Thickness:

Black ,silver one it is 1.0mm thickness

Red(Burgundy),Grey(Light grey) Green one it is  1.5mm thickness

Max loaded:

Black ,silver one it is 150kg(stripe black or pure black sent by random)

Red(Burgundy),Grey(Light grey) one it is 200kg

size:60cm  ( total stretch length it is 100cm but the use length only can suit for 63-85cm)

If it is over, it is not very safe, and the load is low.

 .Instructions :

up bar for doorway use will strengthen and tone your back, arms, shoulders and abs muscles for the perfect upperbody workout for men and women
Safe and Secure - Heavy-duty chrome steel doorway pull up bar and door mounts provide great support and safety.
Note: Always install and use the supplied screw-in door brackets
Versatile Uses - Get fit and strong by using the door bar for many exercises including pull-ups, chin-ups, hanging leg raises, push ups, dips, situps and crunches. It's truly a multi function piece of at home workout equipment
Comfortable Hand-Grips - Non-slip extra-long foam grips for extra comfort to minimize hand pain or fatigue
Use in Different Locations - Multiple screw-in door mount kits give flexibility to move to different places or heights.  It's perfect for your home, garage, gym or the office

there are 2 way to fixed,you can no need screw or need screw, for you choose

if you want more stady with the steel case do order in my store other link for the case accessary

No extra Metal case holder ,if you want extra caes  holder do order Below