Specifications:
The document provides specifications for bollards, specifically cross bit bollards with sockets. It includes details on nominal diameter, minimum rope breaking load for both steel and synthetic ropes, and maximum diameter. The dimensions provided include H, B, h, D, D1, D2, D3, and d, along with the weight in kilograms for two types, A and B.

Data Summary:
The table lists various nominal diameters ranging from 150 to 350, with corresponding minimum rope breaking loads in kN (and tons). For each diameter, maximum dimensions and weights for types A and B are provided. For example, a nominal diameter of 150 has a minimum rope breaking load of 117 kN (12 tons) and a maximum diameter of 13, with weights of 31 kg for type A and 33 kg for type B.

Contact Information:
The document is provided by United Marine Suppliers Co. Ltd, located in Kunshan, Jiangsu, China. Contact details include an email ([email protected]) and a telephone number (0086 512 57761563).