product description: Pin vise: Made of high-quality Metal, durable, using 3-jaw chuck and adjustable clamp range of 0.3-3.4 mm, durable and easy to operate, tail can be rotated and easy to useBench vise: made of Metal, light weight, small size, suitable to hold and carry, equipped with 4 plastic clips, which can hold square, round and irregular objects with a size of 0-57 mmTwist and mini drills: The drills are lightweight and do not take up extra space. They can be used to treat wood, plastic, rubber, PVC, walnut, models, bones, angle steel, , olive, fiberglass and other materialsSuitable size: Pin vise . 3.54 x 0.6 inches / 9 x 1.4 cm, bench vise is about 4.3 x 2.4 x 1.4 inches / 11 x 6.1 x 3.5 cm and fits in a bag or pocketPackage contents: Equipped with 1 x pin vise, 10 x PCB mini vise, 1 x vise and 25 x twist drill, there are 17 different sizes, enough quantities and styles to let you your favorite handicrafts Or DIY sculptureproduct features: It fits in a bag or pocket.specification:Product Name: Hand twist drill set 37PCS: . 3.54 x 0.6 inches / 9 x 1.4 cmBench : . 4.3 x 2.4 x 1.4 inches / 11 x 6.1 x 3.5 cmApplicable usage:Vise is suitable for electronic assembly, tools, model making, winding, , etc .; bench vise can be used to repair , jewelry, watches and electronic products. It is practical for model making, household, workbench use and other applications. tool.Material: Metalcolour: blackPackage Contents:1 set x Hand twist drill(37pcs)Only the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.