• Hardened steel drill jig
• Use when attaching non machined top/ bottom frame to side frame, midrail or centre support rail
• Must be used if screwing top/bottom frame to side frame or midrails. If welding top/bottom frame, drill jig is not required
• Use when attaching non machined top/ bottom frame to side frame, midrail or centre support rail
• Must be used if screwing top/bottom frame to side frame or midrails. If welding top/bottom frame, drill jig is not required