- Made of spring steel, their performance is stable. High Precision - Beautiful workmanship, good elasticity, high precision. Protective Container - Each clamp is well packed in a separate protective container with label. Suitable for - For CNC milling lathe tool and engraving machine. Note - The collet must be placed in the collet nut before inserting it into the collet. Product Information Technical description Product Dimensions (L x W x H) 22 x 5 x 4 cm; 40 grams Finition Finish Matire Material Power Type PowerSource Item quantity 1 Spout Height 1 Centimeters Included Components Inc Batteries included?No Battery(ies) Required No Weight 0.04 Kilograms Product Description Characteristics: ... Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.