ProductThis is a set of 5pcs Pilates bed spring, designed for the Pilates bed. It's an essential accessory for your Pilates core bed. SizeYellow spring (wire diameter x outer diameterx length including hook) are 2.2mmx2.7cmx47.2cm/0.09inchx1.06inchx18.58inch ; Red spring are 2.8mmx2.98cmx47.2cm/0.11inchx1.17inchx18.58inch ; Green are 2.5mmx2.88cmx47.2cm/0.10inchx1.13inchx18.58inch. SizeThese spring are for replacing or repairing the existing spring on your Pilates bed, ensuring that your equipment is always in top condition and a smooth and efficient workout. MaterialThe material used to make these spring is steel, ensuring durability and long term use, providing you with a reliable performance for your Pilates exercises. PackgaeThe package includes a total of 5 pieces(2 yellow spring, 1 red spring, and 2 green color spring), providing you with enough replacements for various needs of your Pilates bed equipment. Specification: Material: Stainless Steel Size Chart: Wire Diameter*Outer Diameter*Including Hook Length) Yellow: 2.2mmx2.7cmx47.2cm/0.09inchx1.06inchx18.58inch Red: 2.8mmx2.98cmx47.2cm/0.11inchx1.17inchx18.58inch Green: 2.5mmx2.88cmx47.2cm/0.10inchx1.13inchx18.58inch Package Includes: 5 Pilates bed spring(2 Yellow, 1 Red, 2 Green ) Note: Please allow slightly errors due to manual measurement and different monitors.