GUNPRIMER JG-RE1-A1 JOINT GUARD Sheet (1,054 Joints) GUNPRIMER JOINT GUARD is a specialized pre-cut reinforcement sticker designed to strengthen loosened moving parts and joints. With 1,054 stickers available in six different sizes, it offers a convenient solution for reinforcing joints of various dimensions. INCLUDES: (330) 1.5x4mm (264) 1.5x6mm (150) 2x8mm (150) 2x10mm (80) 2.5x12mm (80) 2.5x14mm