1/4″ Metric & Imperial Socket set – 30 PCS Imperial Double Square Socket Sizes: 5/16 – 3/8 (2310S) Imperial 12pt Socket Sizes: 5/32 – 3/16- 7/32 – 1/4 – 9/32 – 5/16 – 11/32 – 3/8 – 7/16 – 1/2 (2330S) Metric Double Square Socket Sizes: 8 – 10 (2310M) Metric 12pt Socket Sizes: 4 – 4.5 – 5 – 6 – 7 – 8 – 9 – 10 – 11 – 12 (2330M) Extension Bars 2″ – 4″ (50mm – 100mm) (2221) Power Bar 130mm (2452-05F) Sliding T-Handle 115mm (2571-45) Reversible Ratchet 15° gear action degree (24 teeth) (2769-55F) Universal Joint (2792)