Bosch BT170 Alum Heavy Duty Quick Clamp Tripod Lightweight Heavy-Gauge Aluminum Design - with double-banded legs for added stability Electrostatic, Powder-Painted Casting - For a durable and long-lasting finish Stronger and more rigid versus comparable tripods Hinges attached with screws, not rivets 5/8-Inch-11 Thread Stud, Flat-Head Tripod - Universal with string hook for plumb bob