1、3 pieces a pack: one long screw especially for GoPro housing and two short screws. Easily tighten and loosen. 2、These replacement Thumbscrews perfect for standard accessories of all for GoPro Hero Series, use for fixing your GoPro equipments. 3、Made of high quality Aluminium alloy and Stainless steel, more wearable and durable, provides long life. 4、Durable and lightweight accessory set 5、Easy to mount for Gopro Hero to standard tripod or suction cup Description: 3 pieces a pack: one long screw especially for GoPro housing and two short screws. Easily tighten and loosen. These replacement Thumbscrews perfect for standard accessories of all for GoPro Hero Series, use for fixing your for GoPro equipment. Made of high quality Aluminium alloy and Stainless steel, more wearable and durable, provides long life. Durable and lightweight accessory set Easy to mount for Gopro Hero to standard tripod or suction cup Compatible for GoPro Hero 4/3+/3/2 CNC Aluminum Stainless Made 3pcs one set Package Included: 1 x Long Stainless Knob Screw 2 x Short Stainless Knob Screw