Bear Weight: This Spring tension rod can withstand 2.2 lb. Please use the tension rods within the withstand load. Ajustable Length: It can be extended from 11.8 inch to 19.6 inch as a closet tension bar, cabinet bar. Please attach to the area that has enough strength. Multi-application: Adjustable spring tension bars 18 pack for organizing closet, shelf, cupboards. Can be use to hold the items on the shelf. Used as cabinet dividers.Excellent for light weight curtains in narrow . You can also DIY a built in closet system. As RV Trailer refrigerator bar, holds food and drinks in place during travel, prevents messy spills. Easy to install, adjust the length and attach it horizontally. Specifications: Wide use: used as a curtain rod, used in travel trailer to make things not shift, in bookcase, cabinet, cupboard, pantry and refrigerator Easy to install: unscrew the inner rotating rod to required length, 3-5cm longer than actual shortest distance between two sides of objects, tilt the rod between two sides of objects slightly, make the rod parallel with floor gently, propped up by spring finally. Colour:black Material:High-carbon steel Size:30-50cm Package Contents: 18 x Tension rods Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.