DescriptionIf you are looking for handheld eye occluder tool with reliable design, I will tell you that our plastic handheld eye occluder tool will be your best choice. We adopt premium material, so you can keep it for long time. Wonderful and nice helper for eyesight exam use.Features-Color:Black -Material:PP -Size:19.00X6.00X4.50cm/7.47X2.36X1.77in -Note: random style - Professional and practical design with simple appearance, easy to carry and simple to use.- Made of premium materials, wear resistant and firm, durable and long service life.- Great for vision examination equipment, essential supplies for optical shops and optometrists.- Simple operation, convenient and practical to use, bring much convenience to eyesight testing.- Ergonomic handle design, not easy to fall off when in use, comfortable to hold.