Series 55 Track Ball
Installation is Easy. Install in a 67 Designs Series 55 track profile. Use locking plate and fastener. Slide into desired location and tighten the fastener. Can be removed when not needed. Benefits Superior finish and materials Rapid installation in minutes. Pack contains: 1 x BT55 20mm diameter ball base. 1 x 5mm socket fastener. 1 x locking plate nut Important: if intending to use with non-metric T-slotted profile, know that the slot in your track slot must be at least 6.5mm (0.26") wide. This Series 55 track ball will fit in the Series 55 rail. A BT20 track ball designed for the Series 20 rail will NOT fit the Series 55 rail profile. Do not intermix different Series rails and with different series trackballs. This pack does NOT contain arms or device holders. Be sure to add desired items to your order. Shown in images for example only.