ITEM NAME:40PCS SAE and Metric 1/4 and 3/8 inch Drive Ratchet Wrench Socket Set Kit Description: - Drop forged, carbon steel socket. - Chrome-plated to resist rust and corrosion. - 1/4" & 3/8" Drive SAE/METRIC combination socket. - Small enough to fit under your car seat, it's the perfect kit for emergency roadside repairs, Most of these sockets are 1/4" drive with a few 3/8 drive. - With the socket adapter included, all of the sockets will work with the 3/8 ratchet included. Specification: - 15 Pieces Metric Socket: 4, 4.5, 5, 5.5, 6, 6.5, 7, 7.5, 8, 9, 10, 11, 12, 13, 14mm - 14 Pieces 1/4" DR. 6PT. SAE Socket: 5/32", 3/16", 7/32", 1/4", 9/32", 5/16", 11/32", 3/8", 13/32", 7/16", 15/32", 1/2", 17/32", 9/16" - 3 Pieces 8PT Dr: 1/4'', 5/16'',3/8" - 1 Piece 3/8" DR. 6PT. METRIC Socker: 15mm - 1 Piece 3/8" DR. x Reversible Ratchet Handle: 20cm - 1 Piece 3/8" DR. x Extension Bar: 75mm - 1 Piece 3/8" (F) x 1/4" (M) Adapter - 1 Piece 3/8" x 5/8" Spark Plug Socket - 1 Piece Spin Disc - 1 Piece Color Sleeve - 1 Piece Storagr Case Package Included: 39 Pieces Ratchet Hand Tools 1 Piece Storagr Case Note: Please allow 0.5-1 inch difference due to manual measurement.(1 inch=2.54cm) Please check the size measurement and the picture carefully before making.With the socket adapter included, all of the sockets will work with the 3/8 ratchet included. - 1 Piece 3/8" DR. x Reversible Ratchet Handle: 20cm. 39 Pieces Ratchet Hand Tools. - 14 Pieces 1/4" DR. 6PT.