The Snap-on 10-piece 3/8" Drive Metric Low Profile Ratchet/Socket Set with Dual 80 Technology, No. 210RAFM, includes the 80-tooth low profile ratchet (No. RAF80) and nine 12-point low-profile sockets (8mm to 18mm). The unique 3/8" square drive-on ratchet also works with any standard 3/8" sockets, and the low profile sockets can work with any standard 3/8" ratchet. Manufactured from special alloy steel, these tools are precision-forged and heat-treated for optimum strength and durability. A thin handle cross section allows for greater accessibility in tight quarters.