A connector (10,10′,10″) for connecting to an extending member includes an interface member (20,20′,20″). The interface member (20,20′,20″) includes an interface surface (22,22′,22″), a first extending abutment member (26a,26a′,26a″) extending from a surface (23,23′,23″) opposed to the interface surface (22,22′,22″), a second extending abutment member (26b,26b′,26b″) spaced from the first extending abutment member (26a,26a′,26a″) and extending from the surface (23,23′,23″) opposed to the interface surface (22,22′,22″), and at least a first passage (24,24′,24″) passing therethrough from the interface surface (22,22′,22″) to the surface (23,23′,23″) opposing the interface surface (22,22′,22″) between the first extending abutment member (26a,26a′,26a″) and the second extending abutment member (26b,26b′,26b″). The connector (10,10′,10″) further includes an abutment member (40,40′,40″) including at least a first threaded passage (42,42′,42″) and at least a first threaded member (30,30′,30″) adapted to extend through the first passage (24,24′,24″) in the interface surface (22,22′,22″) to engage the first threaded passage (42,42′,42″) of the abutment member (40,40′,40″) on the side of the surface (23,23′,23″) opposed to the interface surface (22,22′,22″). The connector (10,10′,10″) further includes a first extending contact member (50a,50a′,50a″) including a first cooperating section (52a,52a′,52a″) and a first contact surface (58a,58a′,58a″) on an end thereof. The first cooperating section (52a,52a′,52a″) is movably positioned between and abutted by the abutment member (40,40′,40″) and the first extending abutment member (26a,26a′,26a″) so that the first contact surface (58a,58a′,58a″) of the first extending contact member (50a,50a′,50a″) can be moved between an open position and a closed position as the distance between the surface (23,23′,23″) opposing the interface surface (22,22′,22″) and the abutment member (40,40′,40″) is adjusted via the first threaded member (30,30′,30″). The connector (10,10′,10″) also includes a second extending contact member (50b,50b′,50b″) including a second cooperating section (52b,52b′,52b″) and a second contact surface (58b,58b′,58b″) on an end thereof. The second cooperating section (52b,52b′,52b″) is movably positioned between and abutted by the abutment member (40,40′,40″) and the second extending abutment member (26b,26b′,26b″) so that the second contact surface (58b,58b′,58b″) of the second extending contact member (50b,50b′,50b″) can be moved between an open position and a closed position as the distance between the surface (23,23′,23″) opposing the interface surface (22,22′,22″) and the abutment member (40,40′,40″) is adjusted via the first threaded member (30,30′,30″).