Application These hanger bolts can be used to retrofit wooden sofa legs to fit your M8 Metric socket or the M-8 T-Nut, The coarse wood threads screw into the wooden sofa leg, and the fine machine threads are standard M8 Size for easy installation into your furniture via an M8 T-Nut. Related Products Under "Related Products" along the right edge of this page, M-8 T-Nuts can be found.If your T-Nut is damaged or missing, but the installation site itself is still sound, a replacement T-Nut would enable the installation. Also, please note our IN-HOUSE SERVICE listing under "Related Products". This service enables the consumer to purchase sofa legs which do not have the correct size hanger bolts. We will replace the wrong size hanger bolts with the M8 size. How Sold These hanger bolts come as pictured, without any additional hardware or instructions.If purchased with sofa legs, they will be bagged separately in the package and you will need to install the bolts into the legs yourself.Sold as a Set of 6: Selecting a quantity of 1 will result in 1 set of 6 hanger bolts being ordered. Selecting a quantity of 2 will result in 2 sets of 6 hanger bolts in each set or 12 hanger bolts being ordered.Before You Order Prior to ordering, please ensure the sofa legs you will install these in have a minimum height of 1-1/2 inches of wood into which the coarse wood screw can be threaded.