In shortThe Jaypro BBTFSM-55 is a 55 ft. single outdoor batting tunnel frame that bolts to an existing slab or hard surface instead of being set in ground sleeves. Uprights of 2" OD galvanized steel tube land on surface mount plates fastened with 1/2" anchors (supplied by others), and four adjustable brace pipes keep the frame from bending under net tension. It accepts 12 ft. or 14 ft. wide tunnel nets, so it suits schools, clubs and facilities that already have a concrete pad.
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The BBTFSM-55 is the surface mounted version of Jaypro's outdoor batting tunnel frame. Rather than imbedding posts in the ground, each upright terminates in a surface mount base plate that is fastened down with 1/2" anchors provided by the installer, which makes it the practical choice where a slab or existing hard surface is already in place.
Construction is 2" OD galvanized steel tube for outdoor durability, with the net carried on three rows of 3/16" galvanized aircraft cable. The cable is adjustable with a turnbuckle so the net can be tensioned properly and re-tightened later. Four adjustable brace pipes are part of the design to stop the frame bending in under the extreme tension of the nets, and an optional brace kit (BBTF-BRKIT) is available separately.
The frame carries a 55 ft. long net with an overall frame length of 59 ft. and uprights spaced 19'-8" apart. It accommodates both 12 ft. and 14 ft. wide nets and leaves 12" of excess net at the bottom so balls cannot roll out under the tunnel.