Socket organizer, holds 26 standard or deep 3/8"D sockets, featuring a twist & lock function to keep the sockets in place. For socket sizes: 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18 & 19mm. Overall dimensions: 366 x 90 x 18.8mm. Manufactured from Polypropylene (PP) & Thermoplastic rubber (TPR). Other sizes also available; 1/4"D (Part No. 8632), 1/2"D (Part No. 8634).