installing cabinet gas struts in rv install gas strut cabinet supports rv cabinet door struts repair 100n 22 lbs cabinet door lift support cabinet gas struts rv designer h271 strut installation for cabinet door support strut 100n 22 lbs cabinet door lift support apexstone 80n 18lb 7 inch 175mm mini i installed gas struts on my cabinet step by step rv cabinet door struts 4pcs 80n gas strut support kitchen