The Hatroi HA180 is an aluminium pipe clamp set specified for a 30mm clamp diameter and stated for use with #640 4C-60~70. It is intended as a compact clamp option where a secure, light mounting point is needed on model pipe or tubing routes.
The compatibility shown in the product title indicates the expected fit range; install the HA180 only when the pipe diameter and mounting layout align with the #640 4C-60~70 parameters. The aluminium material yields a balance of stiffness and reduced mass suitable for scale fixtures.
Verify pipe diameter and clearances prior to final fitting, line up the clamp to prevent contact with adjacent components, and tighten the fasteners in small increments to avoid deforming the tubing. The clamp serves to stabilise routing and minimise undesired movement during use.
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