Reed's L511 is a Thru-Bolt Standard Utility Set. It has a 7/8", 15/16", 1-1/8", 1-1/4", and Corp. socket capacity. It weighs 6.8 lbs. This wrench set works faster than pipe wrenches or adjustable wrenches for tightening or loosening nuts on long, threaded bolts of service saddles, repair clamps, flanges, mechanical couplings, etc. The L500 handle is made with traditional malleable iron or lower cost steel stampings, and the sockets are made of strong, cast ductile iron.