Resistance Tolerance:5% (J);Body Size: 49 x 15mm/ 1.9' x 0.59' (L*D) Mounted Hole Size: 1.8mm/ 0.07', 3mm/ 0.12';Total Size: 70 x 21 x 15mm/ 2.75' x 0.83' x 0.59' (L*W*T) Casing Materi