1. U: length 40 - 45 cm, width 34 cm, hole distance 11 - 21 cm V: length 45 - 48 cm, width 36 cm, hole distance 11 - 21 cm O: length 41 - 46 cm, width 37 cm, hole distance 11 - 21 cm Small square U: length 40 - 45 cm, width 34 cm, hole distance 11 - 21 cm Middle square U: length 42 - 47 cm, width 35 cm, hole distance 11 - 21 cm Large square U: length 45 - 46 cm, width 36 cm, hole distance 11 - 21 cm Lengthened U: length 41 - 46 cm, width 35 cm, hole distance 11 - 21 cm Big V: length 45 - 44 cm, width 38 cm, hole distance 11 - 21 cm 2. Easy automatic close with a soft mechanism - High stability and long life - Absolutely no friction noise Usage scenarios - Ideal for interior doors in homes and offices where a gentle automatic close reduces door slamming and wear - Suitable for cabinets, wardrobes, and storage doors in kitchens, bedrooms, and workspaces to ensure quiet, controlled closing - Useful for DIY projects or installations requiring reliable, low-noise closure on furniture or partitions with the listed size variants and hole spacing