A12 DIAMOND PLATED SLEEVE particularly in the automotive and

particularly in the automotive and engine rebuilding industries

Achieve unmatched honing precision with Sunnen 3GP28 Tooling—built for high-performance applications requiring accuracy

Designed for use with Sunnen P28 mandrels

the 4GP28 offers the reliability and performance professionals expect from Sunnen

Optimize your honing operations with Sunnen 3HPH Tooling—engineered for high-performance

A12 DIAMOND PLATED SLEEVE particularly in the automotive andThe Sunnen A 12 Honing Tooling System is engineered for precision honing of small diameter bores, offering exceptional accuracy and surface finish. Part of Sunnen's A Series, the A 12 system includes a mandrel assembly and a diamond plated sleeve, designed to work in tandem for optimal performance.