Description: 【Product】: This is a watch repair tool, specifically a 4040 4039 movement holder. It's a 2 in 1 watch movement holder that securely holds the watch movement in place. 【Material】: Made of quality metal, this Watch Movement Holder is designed to withstand long term use and provide reliable support for your watch repairs. 【Size】: The set includes two sizes to accommodate different needs - the larger measures 34*38*20mm while the smaller measures 24*26*20mm. 【Functionality】: This Watchmaker Tool is ideal for holding the watch movement steady during repairs, making it an essential addition to any watchmaker's tool kits. 【Package Includes】: Each purchase comes with 2 movement holders, providing you with both sizes for maximum versatility in your repair work. Size Chart: Large: 3.4cmx3.8cmx2cm/1.34inchx1.50inchx0.79inch Small: 2.4cmx2.6cmx2cm/0.94inchx1.02inchx0.79inch Package Includes: 2 Watch Movement Holders Note: Please allow slightly errors 1-2cm differences due to manual measurement.