If you use them, the screw length may be insufficient.
10x MTB Bike Cable Guide Clamp CNC Aluminum C Clip Black
CYSKY 31.8 Bike Stem 35mm Short MTB Stem Handlebar Riser Ultra-Light CNC Aluminum Alloy 35mm Handlebar Clamp for Mountain Bike, Road Bike, MTB, Downhill (Black+Red)
FOMTOR Bike Stem 31.8x35mm Short MTB Stem 0 Degree Handlebar Riser Ultra-Light CNC Aluminum Alloy Handlebars Clamp for Mountain Bike, Road Bikes, MTB Downhill BMX with Tool and Bolts
ONIPAX Lightweight Bicycle Seatpost Clamp - CNC 6061 Aluminum Alloy Seat Post Collar with Anti-Slip Internal Lip for MTB, Road, and Commuter Bikes Precision Fit
CYSKY 31.8 Bike Stem 35mm Short MTB Stem Handlebar Riser Ultra-Light CNC Aluminum Alloy 35mm Handlebar Clamp for Mountain Bike, Road Bike, MTB, Downhill (Black+Blue)