TOOGOO(R) 0.4x1.3 Slotted Head Ceramic Alignment Screwdriver Tool It features anti-static plastic handle, fine ceramic blade is non-conductive and anti-magnetic. Electrically and thermally insulated. Slotted Screwdriver Tool is resistant to aoid (except hydrofluoric). Screwdriver Size: 0.4x1.3 Dimension: ~4.1"(L) x 0.5"(D)