[1mm] Size: Approx. 5.5x3x1.5mm (Jump Ring included) Cap size: Approx. 2.5x1.5mm, Inner diameter: Approx. 1mm Jump Ring portion (inner diameter size): Approx. 1.8-2mm (does not open or close)
[1.2mm] Size: Approx. 6x3x1.7mm (Jump Ring included) Cap size: Approx. 3x1.7mm, Inner diameter: Approx. 0.8-1.2mm Jump Ring portion (inner diameter size): Approx. 1.8-2mm (does not open or close)
[1.5mm] Size: Approx. 6-6.5x3.5x2mm (Jump Ring included) Cap size: Approx. 3x2mm, Inner diameter: Approx. 1.5mm Jump Ring (inner diameter): Approx. 2mm (does not open or close)
[2mm] Size: Approx. 6.5-7x3.5x2.7mm (Jump Ring included) Cap size: Approx. 3.5x2.7mm, Inner diameter: Approx. 2-2.3mm Jump Ring (inner diameter): Approx. 2-2.2mm (does not open or close)
[2.5mm] Size: Approx. 7-8x4x3.2mm (Jump Ring included) Cap size: Approx. 3.7-4.8x3.2mm, Inner diameter: Approx. 2.5mm Jump Ring (inner diameter): Approx. 2mm (does not open or close)
[3mm] Size: Approx. 7.5x4x3.6mm (including Jump Ring) Cap Size: Approx. 4.5x3.6mm, Inner Diameter: Approx. 2.8mm Jump Ring (Inner Diameter): Approx. 2.5mm (Does not open or close)
[4mm] Size: Approx. 9x5x5mm (including Jump Ring) Cap Size: Approx. 5x5mm, Inner Diameter: Approx. 4mm Jump Ring (Inner Diameter): Approx. 3.5mm (Does not open or close)