SPECIFICATIONS 300 piece kit with 8 different sizes includes: M4 x 10 mm Grub Screws - Qty: 35 M4 x 12 mm Grub Screws - Qty: 35 M5 x 10 mm Grub Screws - Qty: 35 M5 x 12 mm Grub Screws - Qty: 45 M5 x 8 mm Grub Screws - Qty: 35 M6 x 10 mm Grub Screws - Qty: 45 M6 x 12 mm Grub Screws - Qty: 35 M6 x 16 mm Grub Screws - Qty: 35