Narva Cable Dble insul 6mm 47Amp 30M 305217 Product code: B6142 TL121 Product code: B6142 SSA10 Toledo Engineers Square 250mm Used for producing right angles in carpentry and engineering applications Internal & External Squareness as per BS 939 Grade B An excellent range of precision steel squares that are second to none Hardened spring steel blades are permanently fixed to the stock by means of tapered self locking rivets which ensure complete rigidity Both the blade and stock are precisely ground to ensure straightness and parallelism Working edges of the blades are lapped which further enhances accuracy A groove on the inner corner of the stock aids in the clearance of burr or dirt Type: Non graduated Blade length: 250mm Product Code: 5816 30DI NB: The term mm as opposed to mm2 is an industry reference and is not the actual cable size