8pcs/lot Bykski Anti-off Hard Tube Fitting G1/4 Hand Compression For Od12/14/16mm Acylic/petg/pmma Tube Water Cooler Mod B-fthtj - Fans & Cooling - AliExpress
OD12 x 500mm Shaft Optical Axis & Aluminum Ball Slide Units Rail Support Other Metalworking Tools Metalworking/Milling/Welding