Specification: Diameter: Φ38 Standard weight capacity: 5.0Kg Maximum weight capacity: 7.0Kg Assembled ball chain: L00-10#P6.2 We have five models under this series: L0-5057-38A, L0-5057-38B, L0-5057-38B+, L0-5057-38C, L0-5057-38D. Please send me inquiry if you are interested.