Non- Handle: Anti-skid design on adjustable dumbbell handles of weight equipment, by increasing the friction with your hands, you will not fall off the dumbbells during training.Thickened Safety Locks: Dumbbell bars with locks, locks made of advanced material, durable, and never rust.Make the thickened screw nut and connector are fully tightened using the dumbbells(4 pcs locks included) Easy Assembly: Standard dumbbell handles screw edges are specially , and a pair of dumbbells can be assembled quickly and easy to disassemble with locks and no effort at all.Dimension: 15.7inch adjustable dumbbells bars with high quality material, it's will keep safe while exercise, accommodates weight plates with a 1 inch enter hole.You can use dumbbell bars with different weight to built muscle, body muscles including chest, back, biceps, triceps, traps and core.colour:Yellow+black Material:PVC+Steel size:40cm Package Contents: 2 x dumbbells 4 x nuts Only the above package content, other products are not included.Note: Light 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.