D5CH1N Size: 0.17" H x 0.3" W x 1.91" D Features: -Horseshoe nail.-Material: High quality steel.-Uniformly tempered to give optimum elasticity.-Designed and formed to permit easy and accurate driving. Dimensions: -#5 Dimensions: 0.17" H x 0.3" W x 1.91" D.-#6 Dimensions: 0.21" H x 0.32" W x 2.1" D.