Patented roller release mechanism extends the life of the M series for hundreds of thousands of cycles Made in the USA and ships in an American made plastic box Patented lock ring is easy to use Wide usable scale from 20-100 Lb.. with 3% accuracy and flex head PRIM2FR100F Features: -Patented roller release mechanism extends the life of the M series for hundreds of thousands of cycles. -Made in the USA and ships in an American made plastic box. -Patented lock ring is easy to use. -Wide usable scale from 20-100 Lb.Ft. with 3% accuracy and flex head. Dimensions: Overall Height - Top to Bottom: -2.5 Inches. Overall Width - Side to Side: -3 Inches. Overall Depth - Front to Back: -16.25 Inches. Overall Product Weight: -2.92 Pounds.