Gearwrench Sae X Core Pinless 1 2 inch Dv. Socket Set M1100 72 5 13mm 20 piece 1 4 drive Size:18V 5 13mm 20 piece 1 4 drive socket set Includes the Teng Tools reversible mini bits ratchet Includes all the most commonly used sizes from 5 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 The exclusive four lug ball and socket design of these GEARWRENCH universal joints X Core pinless joint design is 4x more durable than pinned products for increased strength