BRM Flex-Hone Cylinder Hone: 3.1/2''. BRMGB31224 49 21 A21 High visibility white lettering makes

High visibility white lettering makes it easy to read the gap measurement from 0 to 40k

On-board fuel gauge displays remaining battery run time

Ignition is achieved with the internal Piezo crystal mechanism

SAE Socket Set contains - 3/8''

BRM Flex-Hone Cylinder Hone: 3.1/2''. BRMGB31224 49 21 A21 High visibility white lettering makesThe GB Series Flex Hone tools are designed for bore diameters from 3" thru 8" in a twisted in wire construction. 3. 1 2'' Flex Hone. Packaging may vary on different batches. (some boxed & some blister pack) Silicon Carbide (SC) 240 Grit. Additional abrasive types and grits can be ordered. Made in USA