The SRB Field Rests Archery Set includes 1 durable molded plastic rest, 1-2 piece 31″ extension and 1 sturdy powder coated steel socket with a 5” spike. Extensions are adjustable from 34″ to 36″ to 38″ from the ground. The 2 piece extension is easy to pack and can be used as 2 separate extensions or a single shooting gun rest. The single 17″ extension will adjust from 20″ to 22″ to 24″. Keep your bow safe, clean and ready while hunting the ground blinds or on the practice range.