Koken 3012M 75 inhex Socket 3 8 in Dr 12mm TL253 SSA8 Toledo Engineers Square 200mm TL121 SSA8 Toledo Engineers Square 200mm 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: 200mm SOCS A5606 AmPro 11pc 1 2 in Dr 3012M 75 3 8 in Dr Hex Bit Socket 12 x 75mm Koken 3 8 in Dr Hex Bit Socket