[Cold Ring 3  & 4 in. IPS]

[Cold Ring 1-1  & 4 in.]

[Stainless Steel 3 in. IPS]

[Cold Ring 4 In. IPS]

DEFINITIONS: Rounding clamps or cold rings is a device that is clamped around the pipe to round the pipe and limit the distance the pipe end goes into the pipe heater face and the socket fitting. PRODUCT DESCRIPTION Cold Ring Locking Pliers. Solid construction with locking-plier configuration and 1022 carbon steel ring. Available sizes: 1/2" IPS, 3/4" IPS, 1" IPS, 1-1/4" IPS, 1-1/2" IPS, 2" IPS. Manufactured according to the American international standard ASTM F1056.