Professional obstruction spanners for commercial or occasional use 5pc metric obstruction spanner set Half moon ring / obstruction spanners Metric spanners Metric spanners ranging from 8mm – 22mm Bi-hex / 12 sided ring spanner Metric C Spanners Designed for use in areas with limited access and where a standard spanner may not be able to get in, such as the top nut on an exhaust pipe or manifold. Manufactured from CR-v Steel for strength and durability Double hex (12 point) design helps the positioning of the spanner in even the tightest of areas. Comes in a handy carrying case for easy storage and transportation Specifically designed for working in confined areas SET INCLUDES THE FOLLOWING SIZES • 1 x half moon / obstruction spanner – 8mm and 10mm • 1 x half moon / obstruction spanner – 11mm and 13mm • 1 x half moon / obstruction spanner – 14mm and 15mm • 1 x half moon / obstruction spanner – 17mm and 19mm • 1 x half moon / obstruction spanner – 21mm and 22mm