KDT891427 Features: -Locking flex head handle provides adjustable angles giving greater access.-Design allows for 40pct more strength than conventional square drive ratchets.-Ratchet head is up to 50pct slimmer than conventional ratchets.-Pass thru ratchet and socket system eliminates the need for deep sockets.-5/32 in., 3/16 in., 7/32 in., 1/4 in., 9/32 in., 5/16 in., 3/8 in., 7/16 in., 1/2 in., 9/16 in., 3.5mm, 4mm, 4.5mm, 5mm, 5.5mm, 6mm, 7mm, 8mm, 9mm, 10mm, 11mm, 12mm, 13mm; 3 in. Extension Bar; 6 in. Hollow Extension and 1/4 in. Square Dr. Quick-Release Adapter Packaged in a blow molded caase.-27 Piece 1/4 in. Drive GearRatchet Set. Warranty: -Sets & Kits do not have warranty/ see individual pcs for details.