Extendable Goniometer

Easy-to-read accurate instrument offers versatility for measuring large and small joints
Features include: 4X magnifying lens to read the dual 180-degree high resolution scale and 2 stainless steel arms extending 9" to 26"
Constructed of chromium-plated brass
360-degree arm rotation (both directions)
resistance swivel
Compact lightweight and portable
Smooth precision glide
Total extended length: 22 1/4" Shipping Carton Size: 9" L x 7" W x 5"H