SOCKET SET 1/4 - 3/8 DR 21 PCS 6 PT SIZE : 21 PCS (6 PT) CONTENT : 7 pcs 3/8" DR. Hand Socket 10 mm, 11 mm, 12 mm, 13 mm, 14 mm, 17 mm, 19 mm 1 pcs 3/8" DR. Spark Plug Socket 21 MM 2 pcs 3/8" DR. Extension Bar 3", 6" 1 pcs 3/8" DR. Ratchet Handle 8" Rubber Handle 72 Teeth 7 pcs 1/4 DR. Hand Socket 4 mm, 4.5 mm, 5 mm, 6 mm, 7 mm, 8 mm, 9 mm 1 pcs 1/4" Spanner Handle 1 pcs Adaptor 3/8" F x 1/4" M