Neoteck Aluminum Digital Angle Finder Protractor 225° 16 inch Backlit LCD Digital with Horizontal and Vertical Bubble - Black Laurence Llewelyn Bowen The tension screw needs to

The tension screw needs to be turned several times to engage properly with the tension

This version is for 49mm headtube inner diameter

Dimmable and adjustable colour temperature: this simple panel enables you to adjust the light temperature according to your wishes

for the special one

Neoteck Aluminum Digital Angle Finder Protractor 225° 16 inch Backlit LCD Digital with Horizontal and Vertical Bubble - Black Laurence Llewelyn Bowen The tension screw needs toDigital Angle Finder Protractor with High Accuracy, Delicate Design and Modern Appearance, An Interior Designer Should Have High Accuracy Angle Range is 0 225, Measuring precision: + 0. 5, Increase Decrease Angle: 0. 1 Data HoldIf You Want to Use Data Holding Function, You Need to Press the HOLD Button in Red rather than Twist the Knob. (The Knob is Just for Loosening and Tightening. It Can't Hold the Angle Firm Completely!) Backlit LCD Display Come