Home » Products » Tachometers & Stroboscopes » 1-1/4″ Cone Adaptor1-1/4″ Cone Adaptor$21.50 Hand-held tachometers can be updated with the following options and accessories: Cone Adaptor Used for direct contact on drive shafts. - + Add to cart Add to Quote SKU: HC-CA-1-1/4 Category: Tachometers & Stroboscopes Additional information Additional information Dimensions 1.5 × 0.75 × 0.75 in