Neewer 6-Pack Set Heavy Duty Muslin Spring Clamps Clips 4.3"/11cm for Photo Studio Backdrops Backgrounds Woodworking These spring clamps are perfect to hang your backgrounds onto your support system or clamp lights to stands. Metal construction with rubber pads keeps things extra secure and damage-free. Rounded handles for comfortable grip. Rubber End Grips keeping things extra secure. Strong clamps to fit onto most standard sized stands. Note:Background and support system are not included!