Description Built-in ceramic balls that do not conduct electricity. Zirconia ceramic is used, which has the highest strength, rigidity and wear resistance of all ceramics. Large nut that can be struck with a hammer. Elastomer is used for the grip section. The grip section is made of elastomer to reduce impact to the hand. Uses: For removing screws in electrical work, switchboards, and terminal blocks. ?Specifications? Color: Blue Material: Shaft: Si-Cr-V steel Handle: CA+TPE Nut: Mild steel wire rod Ceramic ball: Ceramic Weight: 138g ?Set contents: 2 safety through ball grip screwdrivers (+2100/-6100) Country of manufacture: Japan If you want more beauty items Shipping Express shipping We can ship the item together. Please check the shop as there are various other products. go to our shop Most of the items will be delivered in 2-4 weeks after it shipped out. We will carefully deliver using the packing material. About Us -----Important----- Import duties, taxes and charges are not included in the item price or shipping charges. These charges are the buyer?s responsibility. Please check with your country?s customs office to determine what these additional costs will be prior to bidding or buying. Customs fees are normally charged by the shipping company or collected when you pick the item up.These fees are not additional shipping charges. We won't under-value merchandise or mark the item as a gift on customs forms.Doing that is against U.S.and international laws.